86786012 has 12 divisors (see below), whose sum is σ = 155580096. Its totient is φ = 42334560.

The previous prime is 86785999. The next prime is 86786023. The reversal of 86786012 is 21068768.

It is a congruent number.

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, 264428 + ... + 264755.

It is an arithmetic number, because the mean of its divisors is an integer number (12965008).

Almost surely, 2^86786012 is an apocalyptic number.

86786012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

86786012 is a deficient number, since it is larger than the sum of its proper divisors (68794084).

86786012 is a wasteful number, since it uses less digits than its factorization.

86786012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529228 (or 529226 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86786012 is about 9315.9010299595. The cubic root of 86786012 is about 442.7411723292.

The spelling of 86786012 in words is "eighty-six million, seven hundred eighty-six thousand, twelve".