868673799 has 24 divisors (see below), whose sum is σ = 1435623072. Its totient is φ = 495823680.

The previous prime is 868673789. The next prime is 868673807. The reversal of 868673799 is 997376868.

It is a happy number.

It is not a de Polignac number, because 868673799 - 2⁸ = 868673543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868673719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51957 + ... + 66609.

It is an arithmetic number, because the mean of its divisors is an integer number (59817628).

Almost surely, 2^868673799 is an apocalyptic number.

868673799 is a deficient number, since it is larger than the sum of its proper divisors (566949273).

868673799 is a wasteful number, since it uses less digits than its factorization.

868673799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15607 (or 15604 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 868673799 is about 29473.2726211393. The cubic root of 868673799 is about 954.1549495821.

The spelling of 868673799 in words is "eight hundred sixty-eight million, six hundred seventy-three thousand, seven hundred ninety-nine".