765534516 has 12 divisors (see below), whose sum is σ = 1786247232. Its totient is φ = 255178168.

The previous prime is 765534503. The next prime is 765534533. The reversal of 765534516 is 615435567.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31897260 + ... + 31897283.

It is an arithmetic number, because the mean of its divisors is an integer number (148853936).

Almost surely, 2^765534516 is an apocalyptic number.

It is an amenable number.

765534516 is an abundant number, since it is smaller than the sum of its proper divisors (1020712716).

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

765534516 is a wasteful number, since it uses less digits than its factorization.

765534516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63794550 (or 63794548 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 765534516 is about 27668.2944179796. The cubic root of 765534516 is about 914.7903870527.

The spelling of 765534516 in words is "seven hundred sixty-five million, five hundred thirty-four thousand, five hundred sixteen".