765538616 has 8 divisors (see below), whose sum is σ = 1435384920. Its totient is φ = 382769304.

The previous prime is 765538597. The next prime is 765538639. The reversal of 765538616 is 616835567.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 47846156 + ... + 47846171.

It is an arithmetic number, because the mean of its divisors is an integer number (179423115).

Almost surely, 2^765538616 is an apocalyptic number.

It is an amenable number.

765538616 is a deficient number, since it is larger than the sum of its proper divisors (669846304).

765538616 is a wasteful number, since it uses less digits than its factorization.

765538616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95692333 (or 95692329 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 765538616 is about 27668.3685099068. The cubic root of 765538616 is about 914.7920201747.

The spelling of 765538616 in words is "seven hundred sixty-five million, five hundred thirty-eight thousand, six hundred sixteen".