79460137967698 has 4 divisors (see below), whose sum is σ = 119190206951550. Its totient is φ = 39730068983848.

The previous prime is 79460137967689. The next prime is 79460137967701. The reversal of 79460137967698 is 89676973106497.

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., 78536515098889 + 923622868809 = 8862083^2 + 961053^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19865034491923 + ... + 19865034491926.

Almost surely, 2^{79460137967698} is an apocalyptic number.

79460137967698 is a deficient number, since it is larger than the sum of its proper divisors (39730068983852).

79460137967698 is a wasteful number, since it uses less digits than its factorization.

79460137967698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39730068983851.

The product of its (nonzero) digits is 5184974592, while the sum is 82.

The spelling of 79460137967698 in words is "seventy-nine trillion, four hundred sixty billion, one hundred thirty-seven million, nine hundred sixty-seven thousand, six hundred ninety-eight".