79342797206690 has 32 divisors (see below), whose sum is σ = 143578994202864. Its totient is φ = 31567877662720.

The previous prime is 79342797206623. The next prime is 79342797206707. The reversal of 79342797206690 is 9660279724397.

It can be written as a sum of positive squares in 8 ways, for example, as 50203842608089 + 29138954598601 = 7085467^2 + 5398051^2 .

It is a super-2 number, since 2×79342797206690² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456762 + ... + 12834378.

Almost surely, 2^{79342797206690} is an apocalyptic number.

79342797206690 is a deficient number, since it is larger than the sum of its proper divisors (64236196996174).

79342797206690 is a wasteful number, since it uses less digits than its factorization.

79342797206690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381702.

The product of its (nonzero) digits is 432081216, while the sum is 71.

The spelling of 79342797206690 in words is "seventy-nine trillion, three hundred forty-two billion, seven hundred ninety-seven million, two hundred six thousand, six hundred ninety".