86994415 has 16 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 66446080.

The previous prime is 86994377. The next prime is 86994419. The reversal of 86994415 is 51449968.

It is a happy number.

It is not a de Polignac number, because 86994415 - 2²⁵ = 53439983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86994419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5121 + ... + 14149.

It is an arithmetic number, because the mean of its divisors is an integer number (6826680).

Almost surely, 2^86994415 is an apocalyptic number.

86994415 is a deficient number, since it is larger than the sum of its proper divisors (22232465).

86994415 is a wasteful number, since it uses less digits than its factorization.

86994415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122.

The product of its digits is 311040, while the sum is 46.

The square root of 86994415 is about 9327.0796608585. The cubic root of 86994415 is about 443.0952802036.

The spelling of 86994415 in words is "eighty-six million, nine hundred ninety-four thousand, four hundred fifteen".