868153886 has 8 divisors (see below), whose sum is σ = 1326801384. Its totient is φ = 425886760.

The previous prime is 868153879. The next prime is 868153901. The reversal of 868153886 is 688351868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094960 + ... + 4095171.

It is an arithmetic number, because the mean of its divisors is an integer number (165850173).

Almost surely, 2^868153886 is an apocalyptic number.

868153886 is a deficient number, since it is larger than the sum of its proper divisors (458647498).

868153886 is a wasteful number, since it uses less digits than its factorization.

868153886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190186.

The product of its digits is 2211840, while the sum is 53.

The square root of 868153886 is about 29464.4512251628. The cubic root of 868153886 is about 953.9645533844.

The spelling of 868153886 in words is "eight hundred sixty-eight million, one hundred fifty-three thousand, eight hundred eighty-six".