768238956 has 18 divisors (see below), whose sum is σ = 1941937452. Its totient is φ = 256079640.

The previous prime is 768238937. The next prime is 768238981. The reversal of 768238956 is 659832867.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10669950 + ... + 10670021.

It is an arithmetic number, because the mean of its divisors is an integer number (107885414).

Almost surely, 2^768238956 is an apocalyptic number.

It is an amenable number.

768238956 is an abundant number, since it is smaller than the sum of its proper divisors (1173698496).

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

768238956 is a wasteful number, since it uses less digits than its factorization.

768238956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339981 (or 21339976 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 768238956 is about 27717.1238767661. The cubic root of 768238956 is about 915.8663620885.

The spelling of 768238956 in words is "seven hundred sixty-eight million, two hundred thirty-eight thousand, nine hundred fifty-six".