79436578587254 has 32 divisors (see below), whose sum is σ = 140254769548800. Its totient is φ = 33726077393064.

The previous prime is 79436578587253. The next prime is 79436578587323. The reversal of 79436578587254 is 45278587563497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79436578587253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541032962 + ... + 541179765.

It is an arithmetic number, because the mean of its divisors is an integer number (4382961548400).

Almost surely, 2^{79436578587254} is an apocalyptic number.

79436578587254 is a deficient number, since it is larger than the sum of its proper divisors (60818190961546).

79436578587254 is a wasteful number, since it uses less digits than its factorization.

79436578587254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082212857 (or 1082212843 counting only the distinct ones).

The product of its digits is 14224896000, while the sum is 80.

The spelling of 79436578587254 in words is "seventy-nine trillion, four hundred thirty-six billion, five hundred seventy-eight million, five hundred eighty-seven thousand, two hundred fifty-four".