8664427407 has 8 divisors (see below), whose sum is σ = 11607322240. Its totient is φ = 5748908760.

The previous prime is 8664427397. The next prime is 8664427423. The reversal of 8664427407 is 7047244668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8664427407 - 2⁴ = 8664427391 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 (8664427207) 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, 6843307 + ... + 6844572.

It is an arithmetic number, because the mean of its divisors is an integer number (1450915280).

Almost surely, 2^8664427407 is an apocalyptic number.

8664427407 is a deficient number, since it is larger than the sum of its proper divisors (2942894833).

8664427407 is a wasteful number, since it uses less digits than its factorization.

8664427407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688093.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The square root of 8664427407 is about 93082.9060945134. The cubic root of 8664427407 is about 2053.9031256033.

The spelling of 8664427407 in words is "eight billion, six hundred sixty-four million, four hundred twenty-seven thousand, four hundred seven".