89187097 has 4 divisors (see below), whose sum is σ = 89235216. Its totient is φ = 89138980.

The previous prime is 89187089. The next prime is 89187101. The reversal of 89187097 is 79078198.

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 a cyclic number.

It is not a de Polignac number, because 89187097 - 2³ = 89187089 is a prime.

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 89187097.

It is not an unprimeable number, because it can be changed into a prime (89187047) 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, 21163 + ... + 25024.

It is an arithmetic number, because the mean of its divisors is an integer number (22308804).

Almost surely, 2^89187097 is an apocalyptic number.

It is an amenable number.

89187097 is a deficient number, since it is larger than the sum of its proper divisors (48119).

89187097 is a wasteful number, since it uses less digits than its factorization.

89187097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48118.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 89187097 is about 9443.8920472441. The cubic root of 89187097 is about 446.7871521582.

The spelling of 89187097 in words is "eighty-nine million, one hundred eighty-seven thousand, ninety-seven".