79960187674 has 4 divisors (see below), whose sum is σ = 119940281514. Its totient is φ = 39980093836.

The previous prime is 79960187669. The next prime is 79960187767. The reversal of 79960187674 is 47678106997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79471556649 + 488631025 = 281907^2 + 22105^2 .

It is a super-2 number, since 2×79960187674² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19990046917 + ... + 19990046920.

Almost surely, 2^79960187674 is an apocalyptic number.

79960187674 is a deficient number, since it is larger than the sum of its proper divisors (39980093840).

79960187674 is a wasteful number, since it uses less digits than its factorization.

79960187674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39980093839.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 79960187674 in words is "seventy-nine billion, nine hundred sixty million, one hundred eighty-seven thousand, six hundred seventy-four".