770162440725 has 18 divisors (see below), whose sum is σ = 1379446505346. Its totient is φ = 410753301600.

The previous prime is 770162440717. The next prime is 770162440739. The reversal of 770162440725 is 527044261077.

It can be written as a sum of positive squares in 3 ways, for example, as 398361681 + 769764079044 = 19959^2 + 877362^2 .

It is not a de Polignac number, because 770162440725 - 2³ = 770162440717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1711471866 + ... + 1711472315.

Almost surely, 2^770162440725 is an apocalyptic number.

770162440725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

770162440725 is a deficient number, since it is larger than the sum of its proper divisors (609284064621).

770162440725 is a wasteful number, since it uses less digits than its factorization.

770162440725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422944197 (or 3422944189 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 770162440725 in words is "seven hundred seventy billion, one hundred sixty-two million, four hundred forty thousand, seven hundred twenty-five".