86151810 has 32 divisors (see below), whose sum is σ = 207345600. Its totient is φ = 22909248.

The previous prime is 86151809. The next prime is 86151817. The reversal of 86151810 is 1815168.

It is a happy number.

It is a super-2 number, since 2×86151810² = 14844268732552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (86151817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (6479550).

Almost surely, 2^86151810 is an apocalyptic number.

86151810 is an abundant number, since it is smaller than the sum of its proper divisors (121193790).

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

86151810 is a wasteful number, since it uses less digits than its factorization.

86151810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 86151810 is about 9281.7999332026. The cubic root of 86151810 is about 441.6600684114.

Adding to 86151810 its reverse (1815168), we get a palindrome (87966978).

The spelling of 86151810 in words is "eighty-six million, one hundred fifty-one thousand, eight hundred ten".