79703571672 has 40 divisors (see below), whose sum is σ = 223243802100. Its totient is φ = 26567857008.

The previous prime is 79703571593. The next prime is 79703571679. The reversal of 79703571672 is 27617530797.

79703571672 is a `hidden beast` number, since 7 + 9 + 7 + 0 + 3 + 571 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79703571679) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61499022 + ... + 61500317.

Almost surely, 2^79703571672 is an apocalyptic number.

79703571672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79703571672 is an abundant number, since it is smaller than the sum of its proper divisors (143540230428).

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

79703571672 is a wasteful number, since it uses less digits than its factorization.

79703571672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122999357 (or 122999344 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 54.

The spelling of 79703571672 in words is "seventy-nine billion, seven hundred three million, five hundred seventy-one thousand, six hundred seventy-two".