768995956 has 12 divisors (see below), whose sum is σ = 1360864260. Its totient is φ = 380177600.

The previous prime is 768995947. The next prime is 768995977. The reversal of 768995956 is 659599867.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114147856 + 654848100 = 10684^2 + 25590^2 .

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, 1079695 + ... + 1080406.

It is an arithmetic number, because the mean of its divisors is an integer number (113405355).

Almost surely, 2^768995956 is an apocalyptic number.

It is an amenable number.

768995956 is a deficient number, since it is larger than the sum of its proper divisors (591868304).

768995956 is a wasteful number, since it uses less digits than its factorization.

768995956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160194 (or 2160192 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The square root of 768995956 is about 27730.7763324433. The cubic root of 768995956 is about 916.1670858987.

The spelling of 768995956 in words is "seven hundred sixty-eight million, nine hundred ninety-five thousand, nine hundred fifty-six".