86865911194 has 8 divisors (see below), whose sum is σ = 137963506068. Its totient is φ = 40878075840.

The previous prime is 86865911137. The next prime is 86865911203. The reversal of 86865911194 is 49111956868.

It can be written as a sum of positive squares in 2 ways, for example, as 69040190025 + 17825721169 = 262755^2 + 133513^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277439837 + ... + 1277439904.

Almost surely, 2^86865911194 is an apocalyptic number.

86865911194 is a deficient number, since it is larger than the sum of its proper divisors (51097594874).

86865911194 is a wasteful number, since it uses less digits than its factorization.

86865911194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554879760.

The product of its digits is 3732480, while the sum is 58.

The spelling of 86865911194 in words is "eighty-six billion, eight hundred sixty-five million, nine hundred eleven thousand, one hundred ninety-four".