770787423025 has 27 divisors (see below), whose sum is σ = 974444304099. Its totient is φ = 604812798720.

The previous prime is 770787422987. The next prime is 770787423041. The reversal of 770787423025 is 520324787077.

The square root of 770787423025 is 877945.

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

770787423025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 13 ways, for example, as 28060605169 + 742726817856 = 167513^2 + 861816^2 .

It is not a de Polignac number, because 770787423025 - 2²¹ = 770785325873 is a prime.

It is a super-2 number, since 2×770787423025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 232653769 + ... + 232657081.

Almost surely, 2^770787423025 is an apocalyptic number.

770787423025 is the 877945-th square number.

770787423025 is the 438973-rd centered octagonal number.

It is an amenable number.

770787423025 is a deficient number, since it is larger than the sum of its proper divisors (203656881074).

770787423025 is an frugal number, since it uses more digits than its factorization.

770787423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 770787423025 in words is "seven hundred seventy billion, seven hundred eighty-seven million, four hundred twenty-three thousand, twenty-five".