77825594325 has 24 divisors (see below), whose sum is σ = 129535236000. Its totient is φ = 41228407360.

The previous prime is 77825594311. The next prime is 77825594351. The reversal of 77825594325 is 52349552877.

It is not a de Polignac number, because 77825594325 - 2¹⁰ = 77825593301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3470955 + ... + 3493304.

It is an arithmetic number, because the mean of its divisors is an integer number (5397301500).

Almost surely, 2^77825594325 is an apocalyptic number.

77825594325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77825594325 is a deficient number, since it is larger than the sum of its proper divisors (51709641675).

77825594325 is a wasteful number, since it uses less digits than its factorization.

77825594325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964421 (or 6964416 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 57.

The spelling of 77825594325 in words is "seventy-seven billion, eight hundred twenty-five million, five hundred ninety-four thousand, three hundred twenty-five".