770500428 has 12 divisors (see below), whose sum is σ = 1797834360. Its totient is φ = 256833472.

The previous prime is 770500427. The next prime is 770500429. The reversal of 770500428 is 824005077.

It is an interprime number because it is at equal distance from previous prime (770500427) and next prime (770500429).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (770500421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32104173 + ... + 32104196.

It is an arithmetic number, because the mean of its divisors is an integer number (149819530).

Almost surely, 2^770500428 is an apocalyptic number.

It is an amenable number.

770500428 is an abundant number, since it is smaller than the sum of its proper divisors (1027333932).

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

770500428 is a wasteful number, since it uses less digits than its factorization.

770500428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64208376 (or 64208374 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 770500428 is about 27757.8894730849. The cubic root of 770500428 is about 916.7641630882.

The spelling of 770500428 in words is "seven hundred seventy million, five hundred thousand, four hundred twenty-eight".