86729982 has 16 divisors (see below), whose sum is σ = 173955600. Its totient is φ = 28827392.

The previous prime is 86729977. The next prime is 86729989. The reversal of 86729982 is 28992768.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86729989) 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, 18357 + ... + 22592.

It is an arithmetic number, because the mean of its divisors is an integer number (10872225).

Almost surely, 2^86729982 is an apocalyptic number.

86729982 is an abundant number, since it is smaller than the sum of its proper divisors (87225618).

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

86729982 is a wasteful number, since it uses less digits than its factorization.

86729982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41307.

The product of its digits is 870912, while the sum is 51.

The square root of 86729982 is about 9312.8933205530. The cubic root of 86729982 is about 442.6458723004.

The spelling of 86729982 in words is "eighty-six million, seven hundred twenty-nine thousand, nine hundred eighty-two".