86999982 has 48 divisors (see below), whose sum is σ = 186734592. Its totient is φ = 27015040.

The previous prime is 86999959. The next prime is 86999989. The reversal of 86999982 is 28999968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86999989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226963 + ... + 227345.

It is an arithmetic number, because the mean of its divisors is an integer number (3890304).

Almost surely, 2^86999982 is an apocalyptic number.

86999982 is an abundant number, since it is smaller than the sum of its proper divisors (99734610).

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

86999982 is a wasteful number, since it uses less digits than its factorization.

86999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 536 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 60.

The square root of 86999982 is about 9327.3780881875. The cubic root of 86999982 is about 443.1047316104.

It can be divided in two parts, 8699 and 9982, that added together give a palindrome (18681).

The spelling of 86999982 in words is "eighty-six million, nine hundred ninety-nine thousand, nine hundred eighty-two".