852649667 has 4 divisors (see below), whose sum is σ = 852862080. Its totient is φ = 852437256.

The previous prime is 852649661. The next prime is 852649717. The reversal of 852649667 is 766946258.

852649667 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 852649667 - 2⁸ = 852649411 is a prime.

It is a super-2 number, since 2×852649667² = 1454022909270421778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852649661) 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, 100067 + ... + 108252.

It is an arithmetic number, because the mean of its divisors is an integer number (213215520).

Almost surely, 2^852649667 is an apocalyptic number.

852649667 is a deficient number, since it is larger than the sum of its proper divisors (212413).

852649667 is a wasteful number, since it uses less digits than its factorization.

852649667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212412.

The product of its digits is 4354560, while the sum is 53.

The square root of 852649667 is about 29200.1655303527. The cubic root of 852649667 is about 948.2515084991.

The spelling of 852649667 in words is "eight hundred fifty-two million, six hundred forty-nine thousand, six hundred sixty-seven".