770766216 has 64 divisors (see below), whose sum is σ = 2153390400. Its totient is φ = 227865600.

The previous prime is 770766187. The next prime is 770766229. The reversal of 770766216 is 612667077.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24781 + ... + 46428.

It is an arithmetic number, because the mean of its divisors is an integer number (33646725).

Almost surely, 2^770766216 is an apocalyptic number.

It is an amenable number.

770766216 is an abundant number, since it is smaller than the sum of its proper divisors (1382624184).

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

770766216 is a wasteful number, since it uses less digits than its factorization.

770766216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71270 (or 71266 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 770766216 is about 27762.6766721078. The cubic root of 770766216 is about 916.8695651066.

The spelling of 770766216 in words is "seven hundred seventy million, seven hundred sixty-six thousand, two hundred sixteen".