864094957 has 4 divisors (see below), whose sum is σ = 942649056. Its totient is φ = 785540860.

The previous prime is 864094927. The next prime is 864094963. The reversal of 864094957 is 759490468.

It is a happy number.

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 864094957 - 2¹¹ = 864092909 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 (864094927) 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, 39277033 + ... + 39277054.

It is an arithmetic number, because the mean of its divisors is an integer number (235662264).

Almost surely, 2^864094957 is an apocalyptic number.

It is an amenable number.

864094957 is a deficient number, since it is larger than the sum of its proper divisors (78554099).

864094957 is a wasteful number, since it uses less digits than its factorization.

864094957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78554098.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 864094957 is about 29395.4921203915. The cubic root of 864094957 is about 952.4755222272.

The spelling of 864094957 in words is "eight hundred sixty-four million, ninety-four thousand, nine hundred fifty-seven".