766112639 has 16 divisors (see below), whose sum is σ = 817246848. Its totient is φ = 717105312.

The previous prime is 766112609. The next prime is 766112647. The reversal of 766112639 is 936211667.

It is a cyclic number.

It is not a de Polignac number, because 766112639 - 2⁸ = 766112383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766112596 and 766112605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766112609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103004 + ... + 110190.

It is an arithmetic number, because the mean of its divisors is an integer number (51077928).

Almost surely, 2^766112639 is an apocalyptic number.

766112639 is a deficient number, since it is larger than the sum of its proper divisors (51134209).

766112639 is a wasteful number, since it uses less digits than its factorization.

766112639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334.

The product of its digits is 81648, while the sum is 41.

The square root of 766112639 is about 27678.7398376443. The cubic root of 766112639 is about 915.0206088901.

The spelling of 766112639 in words is "seven hundred sixty-six million, one hundred twelve thousand, six hundred thirty-nine".