79266613690 has 16 divisors (see below), whose sum is σ = 155650805280. Its totient is φ = 28824223120.

The previous prime is 79266613669. The next prime is 79266613717. The reversal of 79266613690 is 9631666297.

It is a super-2 number, since 2×79266613690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

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, 360302680 + ... + 360302899.

It is an arithmetic number, because the mean of its divisors is an integer number (9728175330).

Almost surely, 2^79266613690 is an apocalyptic number.

79266613690 is a deficient number, since it is larger than the sum of its proper divisors (76384191590).

79266613690 is a wasteful number, since it uses less digits than its factorization.

79266613690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720605597.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 79266613690 in words is "seventy-nine billion, two hundred sixty-six million, six hundred thirteen thousand, six hundred ninety".