7900860000 has 240 divisors, whose sum is σ = 28274799168. Its totient is φ = 1915200000.

The previous prime is 7900859951. The next prime is 7900860001. The reversal of 7900860000 is 680097.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 7900860000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900860001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 654015 + ... + 665985.

Almost surely, 2^7900860000 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 7900860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14137399584).

7900860000 is an abundant number, since it is smaller than the sum of its proper divisors (20373939168).

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

7900860000 is a wasteful number, since it uses less digits than its factorization.

7900860000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015 (or 11992 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7900860000 is about 88886.7819194733. The cubic root of 7900860000 is about 1991.7039688475.

The spelling of 7900860000 in words is "seven billion, nine hundred million, eight hundred sixty thousand".