57775332828 has 12 divisors (see below), whose sum is σ = 134809109960. Its totient is φ = 19258444272.

The previous prime is 57775332821. The next prime is 57775332869. The reversal of 57775332828 is 82823357775.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57775332821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407305523 + ... + 2407305546.

Almost surely, 2^57775332828 is an apocalyptic number.

It is an amenable number.

57775332828 is an abundant number, since it is smaller than the sum of its proper divisors (77033777132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57775332828 is a wasteful number, since it uses less digits than its factorization.

57775332828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814611076 (or 4814611074 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 57.

The spelling of 57775332828 in words is "fifty-seven billion, seven hundred seventy-five million, three hundred thirty-two thousand, eight hundred twenty-eight".