86999085 has 24 divisors (see below), whose sum is σ = 151392384. Its totient is φ = 46216800.

The previous prime is 86999057. The next prime is 86999093. The reversal of 86999085 is 58099968.

It is not a de Polignac number, because 86999085 - 2¹¹ = 86997037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8160 + ... + 15510.

It is an arithmetic number, because the mean of its divisors is an integer number (6308016).

Almost surely, 2^86999085 is an apocalyptic number.

It is an amenable number.

86999085 is a deficient number, since it is larger than the sum of its proper divisors (64393299).

86999085 is a wasteful number, since it uses less digits than its factorization.

86999085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625 (or 7622 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 86999085 is about 9327.3300038114. The cubic root of 86999085 is about 443.1032087507.

The spelling of 86999085 in words is "eighty-six million, nine hundred ninety-nine thousand, eighty-five".