86497190842 has 8 divisors (see below), whose sum is σ = 130093631316. Its totient is φ = 43132647072.

The previous prime is 86497190809. The next prime is 86497190863. The reversal of 86497190842 is 24809179468.

It can be written as a sum of positive squares in 2 ways, for example, as 82214666361 + 4282524481 = 286731^2 + 65441^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57973243 + ... + 57974734.

Almost surely, 2^86497190842 is an apocalyptic number.

86497190842 is a deficient number, since it is larger than the sum of its proper divisors (43596440474).

86497190842 is a wasteful number, since it uses less digits than its factorization.

86497190842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115948352.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 86497190842 in words is "eighty-six billion, four hundred ninety-seven million, one hundred ninety thousand, eight hundred forty-two".