770562081 has 27 divisors (see below), whose sum is σ = 1177115121. Its totient is φ = 485671464.

The previous prime is 770562053. The next prime is 770562113. The reversal of 770562081 is 180265077.

The square root of 770562081 is 27759.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 770562081 - 2⁵ = 770562049 is a prime.

It is a super-2 number, since 2×770562081² = 1187531841350101122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (770562011) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1582020 + ... + 1582506.

Almost surely, 2^770562081 is an apocalyptic number.

770562081 is the 27759-th square number.

770562081 is the 13880-th centered octagonal number.

It is an amenable number.

770562081 is a deficient number, since it is larger than the sum of its proper divisors (406553040).

770562081 is an equidigital number, since it uses as much as digits as its factorization.

770562081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The cubic root of 770562081 is about 916.7886146227.

Multiplying 770562081 by its sum of digits (36), we get a square (27740234916 = 166554²).

The spelling of 770562081 in words is "seven hundred seventy million, five hundred sixty-two thousand, eighty-one".