772163320 has 32 divisors (see below), whose sum is σ = 1738447920. Its totient is φ = 308673280.

The previous prime is 772163317. The next prime is 772163321. The reversal of 772163320 is 23361277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772163321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71475 + ... + 81565.

Almost surely, 2^772163320 is an apocalyptic number.

It is an amenable number.

772163320 is an abundant number, since it is smaller than the sum of its proper divisors (966284600).

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

772163320 is a wasteful number, since it uses less digits than its factorization.

772163320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 772163320 is about 27787.8268311863. The cubic root of 772163320 is about 917.4232085349.

The spelling of 772163320 in words is "seven hundred seventy-two million, one hundred sixty-three thousand, three hundred twenty".