79383542212 has 24 divisors (see below), whose sum is σ = 149650184600. Its totient is φ = 36628091136.

The previous prime is 79383542209. The next prime is 79383542213. The reversal of 79383542212 is 21224538397.

It can be written as a sum of positive squares in 4 ways, for example, as 200958976 + 79182583236 = 14176^2 + 281394^2 .

It is not an unprimeable number, because it can be changed into a prime (79383542213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32787 + ... + 399802.

Almost surely, 2^79383542212 is an apocalyptic number.

It is an amenable number.

79383542212 is a deficient number, since it is larger than the sum of its proper divisors (70266642388).

79383542212 is a wasteful number, since it uses less digits than its factorization.

79383542212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436135 (or 436133 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The spelling of 79383542212 in words is "seventy-nine billion, three hundred eighty-three million, five hundred forty-two thousand, two hundred twelve".