852668399 has 16 divisors (see below), whose sum is σ = 951432480. Its totient is φ = 757560960.

The previous prime is 852668381. The next prime is 852668429. The reversal of 852668399 is 993866258.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852668399 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 (852668359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154109 + ... + 159545.

It is an arithmetic number, because the mean of its divisors is an integer number (59464530).

Almost surely, 2^852668399 is an apocalyptic number.

852668399 is a deficient number, since it is larger than the sum of its proper divisors (98764081).

852668399 is a wasteful number, since it uses less digits than its factorization.

852668399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770.

The product of its digits is 5598720, while the sum is 56.

The square root of 852668399 is about 29200.4862801975. The cubic root of 852668399 is about 948.2584525457.

The spelling of 852668399 in words is "eight hundred fifty-two million, six hundred sixty-eight thousand, three hundred ninety-nine".