79487273868 has 24 divisors (see below), whose sum is σ = 185475747072. Its totient is φ = 26494980624.

The previous prime is 79487273861. The next prime is 79487273897. The reversal of 79487273868 is 86837278497.

It is not an unprimeable number, because it can be changed into a prime (79487273861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 453921 + ... + 604167.

It is an arithmetic number, because the mean of its divisors is an integer number (7728156128).

Almost surely, 2^79487273868 is an apocalyptic number.

It is an amenable number.

79487273868 is an abundant number, since it is smaller than the sum of its proper divisors (105988473204).

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

79487273868 is a wasteful number, since it uses less digits than its factorization.

79487273868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194341 (or 194339 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 69.

The spelling of 79487273868 in words is "seventy-nine billion, four hundred eighty-seven million, two hundred seventy-three thousand, eight hundred sixty-eight".