86185615641 has 8 divisors (see below), whose sum is σ = 117359136384. Its totient is φ = 56234586000.

The previous prime is 86185615573. The next prime is 86185615643. The reversal of 86185615641 is 14651658168.

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

It is not a de Polignac number, because 86185615641 - 2³⁰ = 85111873817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86185615643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305622610 + ... + 305622891.

It is an arithmetic number, because the mean of its divisors is an integer number (14669892048).

Almost surely, 2^86185615641 is an apocalyptic number.

It is an amenable number.

86185615641 is a deficient number, since it is larger than the sum of its proper divisors (31173520743).

86185615641 is a wasteful number, since it uses less digits than its factorization.

86185615641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611245551.

The product of its digits is 1382400, while the sum is 51.

The spelling of 86185615641 in words is "eighty-six billion, one hundred eighty-five million, six hundred fifteen thousand, six hundred forty-one".