79557491006 has 8 divisors (see below), whose sum is σ = 136384270320. Its totient is φ = 34096067568.

The previous prime is 79557490997. The next prime is 79557491047. The reversal of 79557491006 is 60019475597.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841338951 + ... + 2841338978.

It is an arithmetic number, because the mean of its divisors is an integer number (17048033790).

Almost surely, 2^79557491006 is an apocalyptic number.

79557491006 is a deficient number, since it is larger than the sum of its proper divisors (56826779314).

79557491006 is a wasteful number, since it uses less digits than its factorization.

79557491006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682677938.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 79557491006 in words is "seventy-nine billion, five hundred fifty-seven million, four hundred ninety-one thousand, six".