765615336428 has 12 divisors (see below), whose sum is σ = 1340616377352. Its totient is φ = 382582085760.

The previous prime is 765615336293. The next prime is 765615336443. The reversal of 765615336428 is 824633516567.

It is a happy 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, 56387978 + ... + 56401553.

It is an arithmetic number, because the mean of its divisors is an integer number (111718031446).

Almost surely, 2^765615336428 is an apocalyptic number.

It is an amenable number.

765615336428 is a deficient number, since it is larger than the sum of its proper divisors (575001040924).

765615336428 is a wasteful number, since it uses less digits than its factorization.

765615336428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112791232 (or 112791230 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 56.

The spelling of 765615336428 in words is "seven hundred sixty-five billion, six hundred fifteen million, three hundred thirty-six thousand, four hundred twenty-eight".