868634745 has 32 divisors (see below), whose sum is σ = 1522575360. Its totient is φ = 419375040.

The previous prime is 868634731. The next prime is 868634759. The reversal of 868634745 is 547436868.

868634745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (868634731) and next prime (868634759).

It is not a de Polignac number, because 868634745 - 2⁸ = 868634489 is a prime.

It is a super-3 number, since 3×868634745³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28422 + ... + 50448.

It is an arithmetic number, because the mean of its divisors is an integer number (47580480).

Almost surely, 2^868634745 is an apocalyptic number.

It is an amenable number.

868634745 is a deficient number, since it is larger than the sum of its proper divisors (653940615).

868634745 is a wasteful number, since it uses less digits than its factorization.

868634745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22285.

The product of its digits is 3870720, while the sum is 51.

The square root of 868634745 is about 29472.6100812263. The cubic root of 868634745 is about 954.1406503419.

The spelling of 868634745 in words is "eight hundred sixty-eight million, six hundred thirty-four thousand, seven hundred forty-five".