79406287928 has 32 divisors (see below), whose sum is σ = 170970480000. Its totient is φ = 34194094560.

The previous prime is 79406287907. The next prime is 79406287949. The reversal of 79406287928 is 82978260497.

It is an interprime number because it is at equal distance from previous prime (79406287907) and next prime (79406287949).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23744228 + ... + 23747571.

It is an arithmetic number, because the mean of its divisors is an integer number (5342827500).

Almost surely, 2^79406287928 is an apocalyptic number.

It is an amenable number.

79406287928 is an abundant number, since it is smaller than the sum of its proper divisors (91564192072).

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

79406287928 is a wasteful number, since it uses less digits than its factorization.

79406287928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47491835 (or 47491831 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 79406287928 in words is "seventy-nine billion, four hundred six million, two hundred eighty-seven thousand, nine hundred twenty-eight".