768436608 has 64 divisors (see below), whose sum is σ = 2148609600. Its totient is φ = 242661888.

The previous prime is 768436579. The next prime is 768436651. The reversal of 768436608 is 806634867.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45366 + ... + 59957.

It is an arithmetic number, because the mean of its divisors is an integer number (33572025).

Almost surely, 2^768436608 is an apocalyptic number.

It is an amenable number.

768436608 is an abundant number, since it is smaller than the sum of its proper divisors (1380172992).

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

768436608 is a wasteful number, since it uses less digits than its factorization.

768436608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105359 (or 105347 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 768436608 is about 27720.6891689222. The cubic root of 768436608 is about 915.9448998466.

The spelling of 768436608 in words is "seven hundred sixty-eight million, four hundred thirty-six thousand, six hundred eight".