7814089764 has 96 divisors (see below), whose sum is σ = 22086785280. Its totient is φ = 2404300320.

The previous prime is 7814089757. The next prime is 7814089793. The reversal of 7814089764 is 4679804187.

It is a happy number.

It is a super-2 number, since 2×7814089764² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 7814089764.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79369 + ... + 148079.

It is an arithmetic number, because the mean of its divisors is an integer number (230070680).

Almost surely, 2^7814089764 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 7814089764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11043392640).

7814089764 is an abundant number, since it is smaller than the sum of its proper divisors (14272695516).

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

7814089764 is a wasteful number, since it uses less digits than its factorization.

7814089764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68749 (or 68729 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 7814089764 is about 88397.3402541049. The cubic root of 7814089764 is about 1984.3858974611.

The spelling of 7814089764 in words is "seven billion, eight hundred fourteen million, eighty-nine thousand, seven hundred sixty-four".