86999012 has 12 divisors (see below), whose sum is σ = 153100080. Its totient is φ = 43256136.

The previous prime is 86998999. The next prime is 86999057. The reversal of 86999012 is 21099968.

It is a super-2 number, since 2×86999012² = 15137656177952288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60038 + ... + 61469.

It is an arithmetic number, because the mean of its divisors is an integer number (12758340).

Almost surely, 2^86999012 is an apocalyptic number.

It is an amenable number.

86999012 is a deficient number, since it is larger than the sum of its proper divisors (66101068).

86999012 is a wasteful number, since it uses less digits than its factorization.

86999012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121690 (or 121688 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 86999012 is about 9327.3260905792. The cubic root of 86999012 is about 443.1030848163.

The spelling of 86999012 in words is "eighty-six million, nine hundred ninety-nine thousand, twelve".