768906405408 has 48 divisors (see below), whose sum is σ = 2030046290496. Its totient is φ = 254820614400.

The previous prime is 768906405343. The next prime is 768906405413. The reversal of 768906405408 is 804504609867.

It is a tau number, because it is divible by the number of its divisors (48).

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, 23132068 + ... + 23165283.

It is an arithmetic number, because the mean of its divisors is an integer number (42292631052).

Almost surely, 2^768906405408 is an apocalyptic number.

It is an amenable number.

768906405408 is an abundant number, since it is smaller than the sum of its proper divisors (1261139885088).

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

768906405408 is a wasteful number, since it uses less digits than its factorization.

768906405408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46297537 (or 46297529 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 768906405408 in words is "seven hundred sixty-eight billion, nine hundred six million, four hundred five thousand, four hundred eight".