77575808325 has 48 divisors (see below), whose sum is σ = 129211031552. Its totient is φ = 41067000000.

The previous prime is 77575808309. The next prime is 77575808347. The reversal of 77575808325 is 52380857577.

It is not a de Polignac number, because 77575808325 - 2⁴ = 77575808309 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 22093320 + ... + 22096830.

Almost surely, 2^77575808325 is an apocalyptic number.

77575808325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77575808325 is a deficient number, since it is larger than the sum of its proper divisors (51635223227).

77575808325 is a wasteful number, since it uses less digits than its factorization.

77575808325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 57.

The spelling of 77575808325 in words is "seventy-seven billion, five hundred seventy-five million, eight hundred eight thousand, three hundred twenty-five".