57420619875 has 128 divisors (see below), whose sum is σ = 111385497600. Its totient is φ = 29148336000.

The previous prime is 57420619871. The next prime is 57420619897. The reversal of 57420619875 is 57891602475.

57420619875 is a `hidden beast` number, since 5 + 7 + 420 + 61 + 98 + 75 = 666.

It is a Cunningham number, because it is equal to 239626²-1.

It is not a de Polignac number, because 57420619875 - 2² = 57420619871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57420619871) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6944994 + ... + 6953256.

It is an arithmetic number, because the mean of its divisors is an integer number (870199200).

Almost surely, 2^57420619875 is an apocalyptic number.

57420619875 is a deficient number, since it is larger than the sum of its proper divisors (53964877725).

57420619875 is a wasteful number, since it uses less digits than its factorization.

57420619875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 57420619875 in words is "fifty-seven billion, four hundred twenty million, six hundred nineteen thousand, eight hundred seventy-five".