86699212 has 12 divisors (see below), whose sum is σ = 156955680. Its totient is φ = 41854736.

The previous prime is 86699209. The next prime is 86699231. The reversal of 86699212 is 21299668.

It is a super-2 number, since 2×86699212² = 15033506722841888, 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, 373588 + ... + 373819.

It is an arithmetic number, because the mean of its divisors is an integer number (13079640).

Almost surely, 2^86699212 is an apocalyptic number.

It is an amenable number.

86699212 is a deficient number, since it is larger than the sum of its proper divisors (70256468).

86699212 is a wasteful number, since it uses less digits than its factorization.

86699212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747440 (or 747438 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 86699212 is about 9311.2411632392. The cubic root of 86699212 is about 442.5935189150.

The spelling of 86699212 in words is "eighty-six million, six hundred ninety-nine thousand, two hundred twelve".