79328531700 has 432 divisors, whose sum is σ = 279514609920. Its totient is φ = 18808627200.

The previous prime is 79328531693. The next prime is 79328531743. The reversal of 79328531700 is 713582397.

It is a happy number.

79328531700 is a `hidden beast` number, since 7 + 9 + 328 + 5 + 317 + 0 + 0 = 666.

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 polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56300596 + ... + 56302004.

It is an arithmetic number, because the mean of its divisors is an integer number (647024560).

Almost surely, 2^79328531700 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 79328531700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139757304960).

79328531700 is an abundant number, since it is smaller than the sum of its proper divisors (200186078220).

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

79328531700 is a wasteful number, since it uses less digits than its factorization.

79328531700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 79328531700 in words is "seventy-nine billion, three hundred twenty-eight million, five hundred thirty-one thousand, seven hundred".