770631708672 has 1092 divisors, whose sum is σ = 2816897350320. Its totient is φ = 209687740416.

The previous prime is 770631708661. The next prime is 770631708689. The reversal of 770631708672 is 276807136077.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3365203854 + ... + 3365204082.

Almost surely, 2^770631708672 is an apocalyptic number.

770631708672 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 770631708672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408448675160).

770631708672 is an abundant number, since it is smaller than the sum of its proper divisors (2046265641648).

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

770631708672 is an equidigital number, since it uses as much as digits as its factorization.

770631708672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 770631708672 in words is "seven hundred seventy billion, six hundred thirty-one million, seven hundred eight thousand, six hundred seventy-two".