89973127 has 4 divisors (see below), whose sum is σ = 90188280. Its totient is φ = 89757976.

The previous prime is 89973101. The next prime is 89973131. The reversal of 89973127 is 72137998.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72137998 = 2 ⋅36068999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89973127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89973137) 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, 106948 + ... + 107785.

It is an arithmetic number, because the mean of its divisors is an integer number (22547070).

Almost surely, 2^89973127 is an apocalyptic number.

89973127 is a deficient number, since it is larger than the sum of its proper divisors (215153).

89973127 is a wasteful number, since it uses less digits than its factorization.

89973127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215152.

The product of its digits is 190512, while the sum is 46.

The square root of 89973127 is about 9485.4165433048. The cubic root of 89973127 is about 448.0958669602.

It can be divided in two parts, 89973 and 127, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 89973127 in words is "eighty-nine million, nine hundred seventy-three thousand, one hundred twenty-seven".