864601457087 has 4 divisors (see below), whose sum is σ = 864763160856. Its totient is φ = 864439753320.

The previous prime is 864601457059. The next prime is 864601457171. The reversal of 864601457087 is 780754106468.

It is a happy number.

864601457087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864601457087 - 2¹⁶ = 864601391551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864601453087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80843864 + ... + 80854557.

It is an arithmetic number, because the mean of its divisors is an integer number (216190790214).

Almost surely, 2^864601457087 is an apocalyptic number.

864601457087 is a deficient number, since it is larger than the sum of its proper divisors (161703769).

864601457087 is a wasteful number, since it uses less digits than its factorization.

864601457087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161703768.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 864601457087 in words is "eight hundred sixty-four billion, six hundred one million, four hundred fifty-seven thousand, eighty-seven".