864179061 has 4 divisors (see below), whose sum is σ = 1152238752. Its totient is φ = 576119372.

The previous prime is 864179047. The next prime is 864179081. The reversal of 864179061 is 160971468.

864179061 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 864179061 - 2⁷ = 864178933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864179011) 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, 144029841 + ... + 144029846.

It is an arithmetic number, because the mean of its divisors is an integer number (288059688).

Almost surely, 2^864179061 is an apocalyptic number.

It is an amenable number.

864179061 is a deficient number, since it is larger than the sum of its proper divisors (288059691).

864179061 is a wasteful number, since it uses less digits than its factorization.

864179061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288059690.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 864179061 is about 29396.9226450661. The cubic root of 864179061 is about 952.5064233073.

The spelling of 864179061 in words is "eight hundred sixty-four million, one hundred seventy-nine thousand, sixty-one".