7899848928 has 72 divisors (see below), whose sum is σ = 22475712168. Its totient is φ = 2632050432.

The previous prime is 7899848911. The next prime is 7899848951. The reversal of 7899848928 is 8298489987.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×7899848928² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774550 + ... + 784682.

It is an arithmetic number, because the mean of its divisors is an integer number (312162669).

Almost surely, 2^7899848928 is an apocalyptic number.

It is an amenable number.

7899848928 is an abundant number, since it is smaller than the sum of its proper divisors (14575863240).

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

7899848928 is a wasteful number, since it uses less digits than its factorization.

7899848928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856 (or 12845 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 72.

The square root of 7899848928 is about 88881.0943226961. The cubic root of 7899848928 is about 1991.6190058594.

The spelling of 7899848928 in words is "seven billion, eight hundred ninety-nine million, eight hundred forty-eight thousand, nine hundred twenty-eight".