89981895 has 8 divisors (see below), whose sum is σ = 143971056. Its totient is φ = 47990336.

The previous prime is 89981873. The next prime is 89981897. The reversal of 89981895 is 59818998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89981895 - 2⁷ = 89981767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89981897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999382 + ... + 2999411.

It is an arithmetic number, because the mean of its divisors is an integer number (17996382).

Almost surely, 2^89981895 is an apocalyptic number.

89981895 is a deficient number, since it is larger than the sum of its proper divisors (53989161).

89981895 is a wasteful number, since it uses less digits than its factorization.

89981895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998801.

The product of its digits is 1866240, while the sum is 57.

The square root of 89981895 is about 9485.8787152272. The cubic root of 89981895 is about 448.1104223320.

The spelling of 89981895 in words is "eighty-nine million, nine hundred eighty-one thousand, eight hundred ninety-five".