57898789 has 8 divisors (see below), whose sum is σ = 62431992. Its totient is φ = 53376960.

The previous prime is 57898739. The next prime is 57898807. The reversal of 57898789 is 98789875.

It can be written as a sum of positive squares in 4 ways, for example, as 396900 + 57501889 = 630^2 + 7583^2 .

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

It is not a de Polignac number, because 57898789 - 2¹⁵ = 57866021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57898739) 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, 9867 + ... + 14599.

It is an arithmetic number, because the mean of its divisors is an integer number (7803999).

Almost surely, 2^57898789 is an apocalyptic number.

It is an amenable number.

57898789 is a deficient number, since it is larger than the sum of its proper divisors (4533203).

57898789 is a wasteful number, since it uses less digits than its factorization.

57898789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687.

The product of its digits is 10160640, while the sum is 61.

The square root of 57898789 is about 7609.1253768091. The cubic root of 57898789 is about 386.8623747514.

The spelling of 57898789 in words is "fifty-seven million, eight hundred ninety-eight thousand, seven hundred eighty-nine".