772884625 has 8 divisors (see below), whose sum is σ = 964560168. Its totient is φ = 618307600.

The previous prime is 772884611. The next prime is 772884659. The reversal of 772884625 is 526488277.

It can be written as a sum of positive squares in 4 ways, for example, as 7974976 + 764909649 = 2824^2 + 27657^2 .

It is not a de Polignac number, because 772884625 - 2⁹ = 772884113 is a prime.

It is a super-2 number, since 2×772884625² = 1194701287122781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091414 + ... + 3091663.

It is an arithmetic number, because the mean of its divisors is an integer number (120570021).

Almost surely, 2^772884625 is an apocalyptic number.

It is an amenable number.

772884625 is a deficient number, since it is larger than the sum of its proper divisors (191675543).

772884625 is an equidigital number, since it uses as much as digits as its factorization.

772884625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183092 (or 6183082 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 772884625 is about 27800.8025963280. The cubic root of 772884625 is about 917.7087854265.

The spelling of 772884625 in words is "seven hundred seventy-two million, eight hundred eighty-four thousand, six hundred twenty-five".