791761476065 has 64 divisors (see below), whose sum is σ = 1165016217600. Its totient is φ = 504477103104.

The previous prime is 791761476049. The next prime is 791761476089. The reversal of 791761476065 is 560674167197.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 791761476065 - 2⁴ = 791761476049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 791761475995 and 791761476013.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 17358329 + ... + 17403881.

It is an arithmetic number, because the mean of its divisors is an integer number (18203378400).

Almost surely, 2^791761476065 is an apocalyptic number.

It is an amenable number.

791761476065 is a deficient number, since it is larger than the sum of its proper divisors (373254741535).

791761476065 is a wasteful number, since it uses less digits than its factorization.

791761476065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46086.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 791761476065 in words is "seven hundred ninety-one billion, seven hundred sixty-one million, four hundred seventy-six thousand, sixty-five".