764514961 has 4 divisors (see below), whose sum is σ = 873731392. Its totient is φ = 655298532.

The previous prime is 764514953. The next prime is 764514967. The reversal of 764514961 is 169415467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 764514961 - 2³ = 764514953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764514967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54608205 + ... + 54608218.

It is an arithmetic number, because the mean of its divisors is an integer number (218432848).

Almost surely, 2^764514961 is an apocalyptic number.

It is an amenable number.

764514961 is a deficient number, since it is larger than the sum of its proper divisors (109216431).

764514961 is a wasteful number, since it uses less digits than its factorization.

764514961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109216430.

The product of its digits is 181440, while the sum is 43.

The square root of 764514961 is about 27649.8636705500. The cubic root of 764514961 is about 914.3840942581.

The spelling of 764514961 in words is "seven hundred sixty-four million, five hundred fourteen thousand, nine hundred sixty-one".