86574156 has 12 divisors (see below), whose sum is σ = 202006392. Its totient is φ = 28858048.

The previous prime is 86574151. The next prime is 86574197. The reversal of 86574156 is 65147568.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×86574156² = 14990168974224672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86574151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607245 + ... + 3607268.

It is an arithmetic number, because the mean of its divisors is an integer number (16833866).

Almost surely, 2^86574156 is an apocalyptic number.

It is an amenable number.

86574156 is an abundant number, since it is smaller than the sum of its proper divisors (115432236).

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

86574156 is a wasteful number, since it uses less digits than its factorization.

86574156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214520 (or 7214518 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 86574156 is about 9304.5234160595. The cubic root of 86574156 is about 442.3806157556.

The spelling of 86574156 in words is "eighty-six million, five hundred seventy-four thousand, one hundred fifty-six".