77254955325 has 36 divisors (see below), whose sum is σ = 138458224788. Its totient is φ = 41177030400.

The previous prime is 77254955321. The next prime is 77254955359. The reversal of 77254955325 is 52355945277.

77254955325 is a `hidden beast` number, since 7 + 7 + 25 + 49 + 553 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3755844 + 77251199481 = 1938^2 + 277941^2 .

It is not a de Polignac number, because 77254955325 - 2² = 77254955321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77254955321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 258817 + ... + 470633.

Almost surely, 2^77254955325 is an apocalyptic number.

77254955325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77254955325 is a deficient number, since it is larger than the sum of its proper divisors (61203269463).

77254955325 is a wasteful number, since it uses less digits than its factorization.

77254955325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213454 (or 213446 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 54.

The spelling of 77254955325 in words is "seventy-seven billion, two hundred fifty-four million, nine hundred fifty-five thousand, three hundred twenty-five".