57897151488 has 880 divisors, whose sum is σ = 205441505280. Its totient is φ = 16057958400.

The previous prime is 57897151483. The next prime is 57897151531. The reversal of 57897151488 is 88415179875.

57897151488 is a `hidden beast` number, since 5 + 7 + 89 + 71 + 5 + 1 + 488 = 666.

It is a harmonic number, since the harmonic mean of its divisors is an integer.

It is a super-2 number, since 2×57897151488² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57897151483) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 650529748 + ... + 650529836.

It is an arithmetic number, because the mean of its divisors is an integer number (233456256).

Almost surely, 2^57897151488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57897151488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102720752640).

57897151488 is an abundant number, since it is smaller than the sum of its proper divisors (147544353792).

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

57897151488 is a wasteful number, since it uses less digits than its factorization.

57897151488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 159 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 63.

The spelling of 57897151488 in words is "fifty-seven billion, eight hundred ninety-seven million, one hundred fifty-one thousand, four hundred eighty-eight".