86985629 has 8 divisors (see below), whose sum is σ = 91771680. Its totient is φ = 82220400.

The previous prime is 86985607. The next prime is 86985637. The reversal of 86985629 is 92658968.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86985629 - 2⁸ = 86985373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86985649) 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, 3794 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (11471460).

Almost surely, 2^86985629 is an apocalyptic number.

It is an amenable number.

86985629 is a deficient number, since it is larger than the sum of its proper divisors (4786051).

86985629 is a wasteful number, since it uses less digits than its factorization.

86985629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411.

The product of its digits is 1866240, while the sum is 53.

The square root of 86985629 is about 9326.6086548112. The cubic root of 86985629 is about 443.0803629004.

The spelling of 86985629 in words is "eighty-six million, nine hundred eighty-five thousand, six hundred twenty-nine".