79331910840 has 256 divisors, whose sum is σ = 325464652800. Its totient is φ = 16738140672.

The previous prime is 79331910811. The next prime is 79331910883. The reversal of 79331910840 is 4801913397.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305322 + ... + 501881.

It is an arithmetic number, because the mean of its divisors is an integer number (1271346300).

Almost surely, 2^79331910840 is an apocalyptic number.

79331910840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79331910840 is an abundant number, since it is smaller than the sum of its proper divisors (246132741960).

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

79331910840 is a wasteful number, since it uses less digits than its factorization.

79331910840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807243 (or 807233 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 79331910840 in words is "seventy-nine billion, three hundred thirty-one million, nine hundred ten thousand, eight hundred forty".