791558254577 has 16 divisors (see below), whose sum is σ = 822569368320. Its totient is φ = 761152482048.

The previous prime is 791558254567. The next prime is 791558254621. The reversal of 791558254577 is 775452855197.

It is a cyclic number.

It is not a de Polignac number, because 791558254577 - 2²² = 791554060273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791558254567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4847303 + ... + 5007939.

It is an arithmetic number, because the mean of its divisors is an integer number (51410585520).

Almost surely, 2^791558254577 is an apocalyptic number.

It is an amenable number.

791558254577 is a deficient number, since it is larger than the sum of its proper divisors (31011113743).

791558254577 is a wasteful number, since it uses less digits than its factorization.

791558254577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162520.

The product of its digits is 123480000, while the sum is 65.

The spelling of 791558254577 in words is "seven hundred ninety-one billion, five hundred fifty-eight million, two hundred fifty-four thousand, five hundred seventy-seven".