79684873930 has 8 divisors (see below), whose sum is σ = 143432773092. Its totient is φ = 31873949568.

The previous prime is 79684873921. The next prime is 79684873943. The reversal of 79684873930 is 3937848697.

It can be written as a sum of positive squares in 2 ways, for example, as 74448759609 + 5236114321 = 272853^2 + 72361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3984243687 + ... + 3984243706.

Almost surely, 2^79684873930 is an apocalyptic number.

79684873930 is a deficient number, since it is larger than the sum of its proper divisors (63747899162).

79684873930 is a wasteful number, since it uses less digits than its factorization.

79684873930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968487400.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 79684873930 in words is "seventy-nine billion, six hundred eighty-four million, eight hundred seventy-three thousand, nine hundred thirty".