89409057 has 8 divisors (see below), whose sum is σ = 122434176. Its totient is φ = 57994992.

The previous prime is 89409049. The next prime is 89409091. The reversal of 89409057 is 75090498.

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

It is not a de Polignac number, because 89409057 - 2³ = 89409049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89409007) 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, 402633 + ... + 402854.

It is an arithmetic number, because the mean of its divisors is an integer number (15304272).

Almost surely, 2^89409057 is an apocalyptic number.

It is an amenable number.

89409057 is a deficient number, since it is larger than the sum of its proper divisors (33025119).

89409057 is a wasteful number, since it uses less digits than its factorization.

89409057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805527.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 89409057 is about 9455.6362556943. The cubic root of 89409057 is about 447.1574849602.

The spelling of 89409057 in words is "eighty-nine million, four hundred nine thousand, fifty-seven".