89172677 has 16 divisors (see below), whose sum is σ = 100023552. Its totient is φ = 78803520.

The previous prime is 89172673. The next prime is 89172683. The reversal of 89172677 is 77627198.

It is a cyclic number.

It is not a de Polignac number, because 89172677 - 2² = 89172673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89172673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88943 + ... + 89939.

It is an arithmetic number, because the mean of its divisors is an integer number (6251472).

Almost surely, 2^89172677 is an apocalyptic number.

It is an amenable number.

89172677 is a deficient number, since it is larger than the sum of its proper divisors (10850875).

89172677 is a wasteful number, since it uses less digits than its factorization.

89172677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its digits is 296352, while the sum is 47.

The square root of 89172677 is about 9443.1285599636. The cubic root of 89172677 is about 446.7630716271.

The spelling of 89172677 in words is "eighty-nine million, one hundred seventy-two thousand, six hundred seventy-seven".