89416857 has 4 divisors (see below), whose sum is σ = 119222480. Its totient is φ = 59611236.

The previous prime is 89416843. The next prime is 89416867. The reversal of 89416857 is 75861498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89416857 - 2⁸ = 89416601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89416867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14902807 + ... + 14902812.

It is an arithmetic number, because the mean of its divisors is an integer number (29805620).

Almost surely, 2^89416857 is an apocalyptic number.

It is an amenable number.

89416857 is a deficient number, since it is larger than the sum of its proper divisors (29805623).

89416857 is a wasteful number, since it uses less digits than its factorization.

89416857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29805622.

The product of its digits is 483840, while the sum is 48.

The square root of 89416857 is about 9456.0486991132. The cubic root of 89416857 is about 447.1704878449.

The spelling of 89416857 in words is "eighty-nine million, four hundred sixteen thousand, eight hundred fifty-seven".