7213860000 has 600 divisors, whose sum is σ = 27314947044. Its totient is φ = 1866240000.

The previous prime is 7213859977. The next prime is 7213860011. The reversal of 7213860000 is 683127.

7213860000 is a `hidden beast` number, since 7 + 21 + 38 + 600 + 0 + 0 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 1983099024 + 5230760976 = 44532^2 + 72324^2 .

It is a tau number, because it is divible by the number of its divisors (600).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 98819964 + ... + 98820036.

Almost surely, 2^7213860000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13657473522).

7213860000 is an abundant number, since it is smaller than the sum of its proper divisors (20101087044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7213860000 is an equidigital number, since it uses as much as digits as its factorization.

7213860000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7213860000 is about 84934.4453093090. The cubic root of 7213860000 is about 1932.2170197170.

The spelling of 7213860000 in words is "seven billion, two hundred thirteen million, eight hundred sixty thousand".