86216998 has 16 divisors (see below), whose sum is σ = 148967424. Its totient is φ = 36658440.

The previous prime is 86216981. The next prime is 86217023. The reversal of 86216998 is 89961268.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22468 + ... + 26023.

It is an arithmetic number, because the mean of its divisors is an integer number (9310464).

Almost surely, 2^86216998 is an apocalyptic number.

86216998 is a deficient number, since it is larger than the sum of its proper divisors (62750426).

86216998 is a wasteful number, since it uses less digits than its factorization.

86216998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48627.

The product of its digits is 373248, while the sum is 49.

The square root of 86216998 is about 9285.3108725556. The cubic root of 86216998 is about 441.7714364639.

The spelling of 86216998 in words is "eighty-six million, two hundred sixteen thousand, nine hundred ninety-eight".