86420285518 has 32 divisors (see below), whose sum is σ = 150721401600. Its totient is φ = 36394691904.

The previous prime is 86420285443. The next prime is 86420285533. The reversal of 86420285518 is 81558202468.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2141653 + ... + 2181631.

It is an arithmetic number, because the mean of its divisors is an integer number (4710043800).

Almost surely, 2^86420285518 is an apocalyptic number.

86420285518 is a deficient number, since it is larger than the sum of its proper divisors (64301116082).

86420285518 is a wasteful number, since it uses less digits than its factorization.

86420285518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42664.

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 86420285518 in words is "eighty-six billion, four hundred twenty million, two hundred eighty-five thousand, five hundred eighteen".