89902871 has 4 divisors (see below), whose sum is σ = 93003000. Its totient is φ = 86802744.

The previous prime is 89902867. The next prime is 89902877. The reversal of 89902871 is 17820998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89902871 - 2² = 89902867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89902877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550021 + ... + 1550078.

It is an arithmetic number, because the mean of its divisors is an integer number (23250750).

Almost surely, 2^89902871 is an apocalyptic number.

89902871 is a deficient number, since it is larger than the sum of its proper divisors (3100129).

89902871 is a wasteful number, since it uses less digits than its factorization.

89902871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100128.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 89902871 is about 9481.7124508182. The cubic root of 89902871 is about 447.9792039002.

The spelling of 89902871 in words is "eighty-nine million, nine hundred two thousand, eight hundred seventy-one".