770113872 has 160 divisors (see below), whose sum is σ = 2553586560. Its totient is φ = 219617280.

The previous prime is 770113867. The next prime is 770113891. The reversal of 770113872 is 278311077.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76018 + ... + 85550.

It is an arithmetic number, because the mean of its divisors is an integer number (15959916).

Almost surely, 2^770113872 is an apocalyptic number.

770113872 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 770113872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276793280).

770113872 is an abundant number, since it is smaller than the sum of its proper divisors (1783472688).

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

770113872 is a wasteful number, since it uses less digits than its factorization.

770113872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578 (or 9566 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 770113872 is about 27750.9256061847. The cubic root of 770113872 is about 916.6108255277.

The spelling of 770113872 in words is "seven hundred seventy million, one hundred thirteen thousand, eight hundred seventy-two".