772614816 has 24 divisors (see below), whose sum is σ = 2028114144. Its totient is φ = 257538240.

The previous prime is 772614809. The next prime is 772614851. The reversal of 772614816 is 618416277.

It is a tau number, because it is divible by the number of its divisors (24).

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, 4023940 + ... + 4024131.

It is an arithmetic number, because the mean of its divisors is an integer number (84504756).

Almost surely, 2^772614816 is an apocalyptic number.

It is an amenable number.

772614816 is an abundant number, since it is smaller than the sum of its proper divisors (1255499328).

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

772614816 is a wasteful number, since it uses less digits than its factorization.

772614816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048084 (or 8048076 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 772614816 is about 27795.9496329951. The cubic root of 772614816 is about 917.6019842732.

The spelling of 772614816 in words is "seven hundred seventy-two million, six hundred fourteen thousand, eight hundred sixteen".