766231275264 has 576 divisors, whose sum is σ = 2652634521600. Its totient is φ = 190676975616.

The previous prime is 766231275259. The next prime is 766231275281. The reversal of 766231275264 is 462572132667.

It is a super-2 number, since 2×766231275264² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 375786757 + ... + 375788795.

Almost surely, 2^766231275264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766231275264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326317260800).

766231275264 is an abundant number, since it is smaller than the sum of its proper divisors (1886403246336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766231275264 is a wasteful number, since it uses less digits than its factorization.

766231275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2366 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 766231275264 in words is "seven hundred sixty-six billion, two hundred thirty-one million, two hundred seventy-five thousand, two hundred sixty-four".