89878995 has 12 divisors (see below), whose sum is σ = 155790336. Its totient is φ = 47935440.

The previous prime is 89878981. The next prime is 89879039. The reversal of 89878995 is 59987898.

It is not a de Polignac number, because 89878995 - 2¹¹ = 89876947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 998611 + ... + 998700.

It is an arithmetic number, because the mean of its divisors is an integer number (12982528).

Almost surely, 2^89878995 is an apocalyptic number.

89878995 is a deficient number, since it is larger than the sum of its proper divisors (65911341).

89878995 is a wasteful number, since it uses less digits than its factorization.

89878995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997322 (or 1997319 counting only the distinct ones).

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

The square root of 89878995 is about 9480.4533119466. The cubic root of 89878995 is about 447.9395429552.

The spelling of 89878995 in words is "eighty-nine million, eight hundred seventy-eight thousand, nine hundred ninety-five".