864880760138 has 16 divisors (see below), whose sum is σ = 1308919194240. Its totient is φ = 428585147136.

The previous prime is 864880760131. The next prime is 864880760189. The reversal of 864880760138 is 831067088468.

864880760138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (864880760131) 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, 2535506 + ... + 2856317.

It is an arithmetic number, because the mean of its divisors is an integer number (81807449640).

Almost surely, 2^864880760138 is an apocalyptic number.

864880760138 is a deficient number, since it is larger than the sum of its proper divisors (444038434102).

864880760138 is a wasteful number, since it uses less digits than its factorization.

864880760138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392541.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 864880760138 in words is "eight hundred sixty-four billion, eight hundred eighty million, seven hundred sixty thousand, one hundred thirty-eight".