89878958 has 16 divisors (see below), whose sum is σ = 145350240. Its totient is φ = 41436576.

The previous prime is 89878927. The next prime is 89878961. The reversal of 89878958 is 85987898.

It is a self number, because there is not a number n which added to its sum of digits gives 89878958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36428 + ... + 38816.

It is an arithmetic number, because the mean of its divisors is an integer number (9084390).

Almost surely, 2^89878958 is an apocalyptic number.

89878958 is a deficient number, since it is larger than the sum of its proper divisors (55471282).

89878958 is a wasteful number, since it uses less digits than its factorization.

89878958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 11612160, while the sum is 62.

The square root of 89878958 is about 9480.4513605630. The cubic root of 89878958 is about 447.9394814882.

The spelling of 89878958 in words is "eighty-nine million, eight hundred seventy-eight thousand, nine hundred fifty-eight".