791957447461 has 32 divisors (see below), whose sum is σ = 851161758080. Its totient is φ = 734664038400.

The previous prime is 791957447459. The next prime is 791957447473. The reversal of 791957447461 is 164744759197.

It is a 8-Lehmer number, since φ(791957447461) divides (791957447461-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 791957447461 - 2¹ = 791957447459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 791957447393 and 791957447402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791957447261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366476221 + ... + 366478381.

It is an arithmetic number, because the mean of its divisors is an integer number (26598804940).

Almost surely, 2^791957447461 is an apocalyptic number.

791957447461 is the 513796-th hex number.

It is an amenable number.

791957447461 is a deficient number, since it is larger than the sum of its proper divisors (59204310619).

791957447461 is a wasteful number, since it uses less digits than its factorization.

791957447461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037.

The product of its digits is 53343360, while the sum is 64.

The spelling of 791957447461 in words is "seven hundred ninety-one billion, nine hundred fifty-seven million, four hundred forty-seven thousand, four hundred sixty-one".