764011540831 has 32 divisors (see below), whose sum is σ = 1035823859712. Its totient is φ = 545170383360.

The previous prime is 764011540829. The next prime is 764011540837. The reversal of 764011540831 is 138045110467.

It is not a de Polignac number, because 764011540831 - 2¹ = 764011540829 is a prime.

It is a super-2 number, since 2×764011540831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764011540837) 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, 7838871 + ... + 7935736.

It is an arithmetic number, because the mean of its divisors is an integer number (32369495616).

Almost surely, 2^764011540831 is an apocalyptic number.

764011540831 is a deficient number, since it is larger than the sum of its proper divisors (271812318881).

764011540831 is a wasteful number, since it uses less digits than its factorization.

764011540831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15774679.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 764011540831 in words is "seven hundred sixty-four billion, eleven million, five hundred forty thousand, eight hundred thirty-one".