86989900 has 18 divisors (see below), whose sum is σ = 188768300. Its totient is φ = 34795920.

The previous prime is 86989897. The next prime is 86989909. The reversal of 86989900 is 998968.

It is a super-4 number, since 4×86989900⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (86989909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434850 + ... + 435049.

Almost surely, 2^86989900 is an apocalyptic number.

It is an amenable number.

86989900 is an abundant number, since it is smaller than the sum of its proper divisors (101778400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86989900 is a wasteful number, since it uses less digits than its factorization.

86989900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869913 (or 869906 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 86989900 is about 9326.8376205443. The cubic root of 86989900 is about 443.0876145399.

The spelling of 86989900 in words is "eighty-six million, nine hundred eighty-nine thousand, nine hundred".