86862992 has 40 divisors (see below), whose sum is σ = 176179200. Its totient is φ = 41437440.

The previous prime is 86862991. The next prime is 86863037. The reversal of 86862992 is 29926868.

It is a self number, because there is not a number n which added to its sum of digits gives 86862992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86862991) 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, 35009 + ... + 37407.

It is an arithmetic number, because the mean of its divisors is an integer number (4404480).

Almost surely, 2^86862992 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 86862992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88089600).

86862992 is an abundant number, since it is smaller than the sum of its proper divisors (89316208).

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

86862992 is a wasteful number, since it uses less digits than its factorization.

86862992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2505 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 86862992 is about 9320.0317596025. The cubic root of 86862992 is about 442.8720388231.

The spelling of 86862992 in words is "eighty-six million, eight hundred sixty-two thousand, nine hundred ninety-two".