2864865478118 has 32 divisors (see below), whose sum is σ = 5076314737920. Its totient is φ = 1187202598560.

The previous prime is 2864865478091. The next prime is 2864865478193. The reversal of 2864865478118 is 8118745684682.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28378796 + ... + 28479567.

It is an arithmetic number, because the mean of its divisors is an integer number (158634835560).

Almost surely, 2^{2864865478118} is an apocalyptic number.

2864865478118 is a deficient number, since it is larger than the sum of its proper divisors (2211449259802).

2864865478118 is a wasteful number, since it uses less digits than its factorization.

2864865478118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56858492.

The product of its digits is 165150720, while the sum is 68.

The spelling of 2864865478118 in words is "two trillion, eight hundred sixty-four billion, eight hundred sixty-five million, four hundred seventy-eight thousand, one hundred eighteen".