57061263078 has 20 divisors (see below), whose sum is σ = 127859497260. Its totient is φ = 19020420972.

The previous prime is 57061263071. The next prime is 57061263089. The reversal of 57061263078 is 87036216075.

57061263078 is a `hidden beast` number, since 5 + 7 + 0 + 6 + 1 + 2 + 630 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57061263071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 176114848 + ... + 176115171.

It is an arithmetic number, because the mean of its divisors is an integer number (6392974863).

Almost surely, 2^57061263078 is an apocalyptic number.

57061263078 is an abundant number, since it is smaller than the sum of its proper divisors (70798234182).

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

57061263078 is a wasteful number, since it uses less digits than its factorization.

57061263078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352230033 (or 352230024 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 57061263078 in words is "fifty-seven billion, sixty-one million, two hundred sixty-three thousand, seventy-eight".