89887995 has 32 divisors (see below), whose sum is σ = 160856640. Its totient is φ = 47623680.

The previous prime is 89887991. The next prime is 89888009. The reversal of 89887995 is 59978898.

89887995 = T₂₉ + T₃₀ + ... + T₈₁₃.

It is not a de Polignac number, because 89887995 - 2² = 89887991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89887991) 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 31 ways as a sum of consecutive naturals, for example, 19075 + ... + 23315.

It is an arithmetic number, because the mean of its divisors is an integer number (5026770).

Almost surely, 2^89887995 is an apocalyptic number.

89887995 is a deficient number, since it is larger than the sum of its proper divisors (70968645).

89887995 is a wasteful number, since it uses less digits than its factorization.

89887995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412 (or 4406 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The square root of 89887995 is about 9480.9279609118. The cubic root of 89887995 is about 447.9544938764.

The spelling of 89887995 in words is "eighty-nine million, eight hundred eighty-seven thousand, nine hundred ninety-five".