770878725120 has 2112 divisors, whose sum is σ = 3494769408000. Its totient is φ = 156067430400.

The previous prime is 770878725109. The next prime is 770878725157. The reversal of 770878725120 is 21527878077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5105157045 + ... + 5105157195.

Almost surely, 2^770878725120 is an apocalyptic number.

770878725120 is a gapful number since it is divisible by the number (70) 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 770878725120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747384704000).

770878725120 is an abundant number, since it is smaller than the sum of its proper divisors (2723890682880).

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

770878725120 is a wasteful number, since it uses less digits than its factorization.

770878725120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 54.

The spelling of 770878725120 in words is "seven hundred seventy billion, eight hundred seventy-eight million, seven hundred twenty-five thousand, one hundred twenty".