770664312 has 96 divisors (see below), whose sum is σ = 2376017280. Its totient is φ = 223375680.

The previous prime is 770664283. The next prime is 770664329. The reversal of 770664312 is 213466077.

770664312 is a `hidden beast` number, since 7 + 7 + 0 + 6 + 643 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2938 + ... + 39369.

It is an arithmetic number, because the mean of its divisors is an integer number (24750180).

Almost surely, 2^770664312 is an apocalyptic number.

770664312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770664312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188008640).

770664312 is an abundant number, since it is smaller than the sum of its proper divisors (1605352968).

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

770664312 is a wasteful number, since it uses less digits than its factorization.

770664312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42353 (or 42346 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 770664312 is about 27760.8413417173. The cubic root of 770664312 is about 916.8291564880.

The spelling of 770664312 in words is "seven hundred seventy million, six hundred sixty-four thousand, three hundred twelve".