86793156 has 72 divisors (see below), whose sum is σ = 224864640. Its totient is φ = 28220544.

The previous prime is 86793151. The next prime is 86793163. The reversal of 86793156 is 65139768.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86793151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329881 + ... + 330143.

It is an arithmetic number, because the mean of its divisors is an integer number (3123120).

Almost surely, 2^86793156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86793156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112432320).

86793156 is an abundant number, since it is smaller than the sum of its proper divisors (138071484).

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

86793156 is a wasteful number, since it uses less digits than its factorization.

86793156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 460 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 86793156 is about 9316.2844525057. The cubic root of 86793156 is about 442.7533204318.

The spelling of 86793156 in words is "eighty-six million, seven hundred ninety-three thousand, one hundred fifty-six".