764635777464117 has 32 divisors (see below), whose sum is σ = 1100162265328000. Its totient is φ = 469592114135040.

The previous prime is 764635777464113. The next prime is 764635777464151. The reversal of 764635777464117 is 711464777536467.

It is not a de Polignac number, because 764635777464117 - 2² = 764635777464113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764635777464113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 971119053 + ... + 971906109.

It is an arithmetic number, because the mean of its divisors is an integer number (34380070791500).

Almost surely, 2^{764635777464117} is an apocalyptic number.

It is an amenable number.

764635777464117 is a deficient number, since it is larger than the sum of its proper divisors (335526487863883).

764635777464117 is a wasteful number, since it uses less digits than its factorization.

764635777464117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837493.

The product of its digits is 3485099520, while the sum is 75.

The spelling of 764635777464117 in words is "seven hundred sixty-four trillion, six hundred thirty-five billion, seven hundred seventy-seven million, four hundred sixty-four thousand, one hundred seventeen".