868634822 has 32 divisors (see below), whose sum is σ = 1510907904. Its totient is φ = 370153600.

The previous prime is 868634791. The next prime is 868634827. The reversal of 868634822 is 228436868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868634827) 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, 93947 + ... + 102777.

It is an arithmetic number, because the mean of its divisors is an integer number (47215872).

Almost surely, 2^868634822 is an apocalyptic number.

868634822 is a deficient number, since it is larger than the sum of its proper divisors (642273082).

868634822 is a wasteful number, since it uses less digits than its factorization.

868634822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its digits is 884736, while the sum is 47.

The square root of 868634822 is about 29472.6113875238. The cubic root of 868634822 is about 954.1406785351.

The spelling of 868634822 in words is "eight hundred sixty-eight million, six hundred thirty-four thousand, eight hundred twenty-two".