57878566587875 has 32 divisors (see below), whose sum is σ = 78851190652416. Its totient is φ = 42065643420000.

The previous prime is 57878566587839. The next prime is 57878566587893.

57878566587875 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57878566587875 - 2³⁸ = 57603688680931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11851397 + ... + 16006646.

It is an arithmetic number, because the mean of its divisors is an integer number (2464099707888).

Almost surely, 2^{57878566587875} is an apocalyptic number.

57878566587875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57878566587875 is a deficient number, since it is larger than the sum of its proper divisors (20972624064541).

57878566587875 is a wasteful number, since it uses less digits than its factorization.

57878566587875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27859580 (or 27859570 counting only the distinct ones).

The product of its digits is 221276160000, while the sum is 92.

The spelling of 57878566587875 in words is "fifty-seven trillion, eight hundred seventy-eight billion, five hundred sixty-six million, five hundred eighty-seven thousand, eight hundred seventy-five".