79928909410 has 32 divisors (see below), whose sum is σ = 170095023360. Its totient is φ = 26459224512.

The previous prime is 79928909407. The next prime is 79928909429. The reversal of 79928909410 is 1490982997.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19684894 + ... + 19688953.

It is an arithmetic number, because the mean of its divisors is an integer number (5315469480).

Almost surely, 2^79928909410 is an apocalyptic number.

79928909410 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79928909410 is an abundant number, since it is smaller than the sum of its proper divisors (90166113950).

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

79928909410 is a wasteful number, since it uses less digits than its factorization.

79928909410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39373890.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 79928909410 in words is "seventy-nine billion, nine hundred twenty-eight million, nine hundred nine thousand, four hundred ten".