57788889 has 8 divisors (see below), whose sum is σ = 77398272. Its totient is φ = 38352720.

The previous prime is 57788869. The next prime is 57788923. The reversal of 57788889 is 98888775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57788889 - 2⁹ = 57788377 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (57788849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42522 + ... + 43859.

It is an arithmetic number, because the mean of its divisors is an integer number (9674784).

Almost surely, 2^57788889 is an apocalyptic number.

It is an amenable number.

57788889 is a deficient number, since it is larger than the sum of its proper divisors (19609383).

57788889 is a wasteful number, since it uses less digits than its factorization.

57788889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86607.

The product of its digits is 9031680, while the sum is 60.

The square root of 57788889 is about 7601.9003545166. The cubic root of 57788889 is about 386.6174467505.

The spelling of 57788889 in words is "fifty-seven million, seven hundred eighty-eight thousand, eight hundred eighty-nine".