89188557057 has 24 divisors (see below), whose sum is σ = 133616552160. Its totient is φ = 59451369120.

The previous prime is 89188557047. The next prime is 89188557067. The reversal of 89188557057 is 75075588198.

89188557057 is a `hidden beast` number, since 8 + 9 + 1 + 8 + 8 + 5 + 570 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (89188557047) and next prime (89188557067).

It is not a de Polignac number, because 89188557057 - 2⁴ = 89188557041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89188556985 and 89188557003.

It is not an unprimeable number, because it can be changed into a prime (89188557047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2355082 + ... + 2392652.

It is an arithmetic number, because the mean of its divisors is an integer number (5567356340).

Almost surely, 2^89188557057 is an apocalyptic number.

It is an amenable number.

89188557057 is a deficient number, since it is larger than the sum of its proper divisors (44427995103).

89188557057 is an equidigital number, since it uses as much as digits as its factorization.

89188557057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47355 (or 47343 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 63.

The spelling of 89188557057 in words is "eighty-nine billion, one hundred eighty-eight million, five hundred fifty-seven thousand, fifty-seven".