86867538 has 16 divisors (see below), whose sum is σ = 176583936. Its totient is φ = 28481040.

The previous prime is 86867537. The next prime is 86867567. The reversal of 86867538 is 83576868.

It is not an unprimeable number, because it can be changed into a prime (86867533) 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, 118306 + ... + 119037.

It is an arithmetic number, because the mean of its divisors is an integer number (11036496).

Almost surely, 2^86867538 is an apocalyptic number.

86867538 is an abundant number, since it is smaller than the sum of its proper divisors (89716398).

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

86867538 is a wasteful number, since it uses less digits than its factorization.

86867538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237409.

The product of its digits is 1935360, while the sum is 51.

The square root of 86867538 is about 9320.2756397008. The cubic root of 86867538 is about 442.8797646340.

The spelling of 86867538 in words is "eighty-six million, eight hundred sixty-seven thousand, five hundred thirty-eight".