770504988 has 72 divisors (see below), whose sum is σ = 1982058624. Its totient is φ = 231036800.

The previous prime is 770504921. The next prime is 770504989. The reversal of 770504988 is 889405077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770504989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2477353 + ... + 2477663.

It is an arithmetic number, because the mean of its divisors is an integer number (27528592).

Almost surely, 2^770504988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770504988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991029312).

770504988 is an abundant number, since it is smaller than the sum of its proper divisors (1211553636).

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

770504988 is a wasteful number, since it uses less digits than its factorization.

770504988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 770504988 is about 27757.9716117731. The cubic root of 770504988 is about 916.7659716255.

The spelling of 770504988 in words is "seven hundred seventy million, five hundred four thousand, nine hundred eighty-eight".