86909960 has 32 divisors (see below), whose sum is σ = 196387200. Its totient is φ = 34614720.

The previous prime is 86909917. The next prime is 86909969. The reversal of 86909960 is 6990968.

It is a happy number.

It is a super-2 number, since 2×86909960² = 15106682294403200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86909969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5015 + ... + 14105.

It is an arithmetic number, because the mean of its divisors is an integer number (6137100).

Almost surely, 2^86909960 is an apocalyptic number.

It is an amenable number.

86909960 is an abundant number, since it is smaller than the sum of its proper divisors (109477240).

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

86909960 is a wasteful number, since it uses less digits than its factorization.

86909960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341 (or 9337 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 86909960 is about 9322.5511529838. The cubic root of 86909960 is about 442.9518467500.

The spelling of 86909960 in words is "eighty-six million, nine hundred nine thousand, nine hundred sixty".