771928968 has 32 divisors (see below), whose sum is σ = 1948564800. Its totient is φ = 254810688.

The previous prime is 771928907. The next prime is 771928973. The reversal of 771928968 is 869829177.

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, 153663 + ... + 158606.

It is an arithmetic number, because the mean of its divisors is an integer number (60892650).

Almost surely, 2^771928968 is an apocalyptic number.

It is an amenable number.

771928968 is an abundant number, since it is smaller than the sum of its proper divisors (1176635832).

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

771928968 is a wasteful number, since it uses less digits than its factorization.

771928968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312381 (or 312377 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 771928968 is about 27783.6097006850. The cubic root of 771928968 is about 917.3303863245.

The spelling of 771928968 in words is "seven hundred seventy-one million, nine hundred twenty-eight thousand, nine hundred sixty-eight".