86774012 has 24 divisors (see below), whose sum is σ = 164000256. Its totient is φ = 39935808.

The previous prime is 86774011. The next prime is 86774027. The reversal of 86774012 is 21047768.

It is a happy number.

It is a super-2 number, since 2×86774012² = 15059458317152288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86774011) 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, 17738 + ... + 22094.

It is an arithmetic number, because the mean of its divisors is an integer number (6833344).

Almost surely, 2^86774012 is an apocalyptic number.

It is an amenable number.

86774012 is a deficient number, since it is larger than the sum of its proper divisors (77226244).

86774012 is a wasteful number, since it uses less digits than its factorization.

86774012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 86774012 is about 9315.2569476102. The cubic root of 86774012 is about 442.7207652811.

The spelling of 86774012 in words is "eighty-six million, seven hundred seventy-four thousand, twelve".