86897900 has 36 divisors (see below), whose sum is σ = 189696192. Its totient is φ = 34551360.

The previous prime is 86897879. The next prime is 86897917. The reversal of 86897900 is 979868.

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, 14789 + ... + 19811.

Almost surely, 2^86897900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86897900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94848096).

86897900 is an abundant number, since it is smaller than the sum of its proper divisors (102798292).

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

86897900 is a wasteful number, since it uses less digits than its factorization.

86897900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 86897900 is about 9321.9043118882. The cubic root of 86897900 is about 442.9313571675.

The spelling of 86897900 in words is "eighty-six million, eight hundred ninety-seven thousand, nine hundred".