927664399 has 4 divisors (see below), whose sum is σ = 931546080. Its totient is φ = 923782720.

The previous prime is 927664391. The next prime is 927664421. The reversal of 927664399 is 993466729.

927664399 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 927664399 - 2³ = 927664391 is a prime.

It is a super-2 number, since 2×927664399² = 1721122474344062402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (927664391) 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, 1940482 + ... + 1940959.

It is an arithmetic number, because the mean of its divisors is an integer number (232886520).

Almost surely, 2^927664399 is an apocalyptic number.

927664399 is a deficient number, since it is larger than the sum of its proper divisors (3881681).

927664399 is a wasteful number, since it uses less digits than its factorization.

927664399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881680.

The product of its digits is 4408992, while the sum is 55.

The square root of 927664399 is about 30457.5836040878. The cubic root of 927664399 is about 975.2821971666.

The spelling of 927664399 in words is "nine hundred twenty-seven million, six hundred sixty-four thousand, three hundred ninety-nine".