89694157 has 10 divisors (see below), whose sum is σ = 104639758. Its totient is φ = 76878648.

The previous prime is 89694139. The next prime is 89694169. The reversal of 89694157 is 75149698.

It can be written as a sum of positive squares in only one way, i.e., 66161956 + 23532201 = 8134^2 + 4851^2 .

It is a de Polignac number, because none of the positive numbers 2^k-89694157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89694157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89694107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16278 + ... + 21079.

Almost surely, 2^89694157 is an apocalyptic number.

It is an amenable number.

89694157 is a deficient number, since it is larger than the sum of its proper divisors (14945601).

89694157 is an frugal number, since it uses more digits than its factorization.

89694157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37385 (or 37364 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 89694157 is about 9470.6999213363. The cubic root of 89694157 is about 447.6322665941.

The spelling of 89694157 in words is "eighty-nine million, six hundred ninety-four thousand, one hundred fifty-seven".