79456665497 has 48 divisors (see below), whose sum is σ = 94112928000. Its totient is φ = 66816288000.

The previous prime is 79456665479. The next prime is 79456665499.

79456665497 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79456665497 - 2⁶ = 79456665433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79456665499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75744629 + ... + 75745677.

It is an arithmetic number, because the mean of its divisors is an integer number (1960686000).

Almost surely, 2^79456665497 is an apocalyptic number.

It is an amenable number.

79456665497 is a deficient number, since it is larger than the sum of its proper divisors (14656262503).

79456665497 is a wasteful number, since it uses less digits than its factorization.

79456665497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1827 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 68.

The spelling of 79456665497 in words is "seventy-nine billion, four hundred fifty-six million, six hundred sixty-five thousand, four hundred ninety-seven".