79547291558 has 16 divisors (see below), whose sum is σ = 136559139360. Its totient is φ = 34043607936.

The previous prime is 79547291557. The next prime is 79547291569. The reversal of 79547291558 is 85519274597.

It is a self number, because there is not a number n which added to its sum of digits gives 79547291558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79547291557) 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, 3997091 + ... + 4016942.

It is an arithmetic number, because the mean of its divisors is an integer number (8534946210).

Almost surely, 2^79547291558 is an apocalyptic number.

79547291558 is a deficient number, since it is larger than the sum of its proper divisors (57011847802).

79547291558 is a wasteful number, since it uses less digits than its factorization.

79547291558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014751.

The product of its digits is 31752000, while the sum is 62.

The spelling of 79547291558 in words is "seventy-nine billion, five hundred forty-seven million, two hundred ninety-one thousand, five hundred fifty-eight".