868877998 has 8 divisors (see below), whose sum is σ = 1303827408. Its totient is φ = 434268864.

The previous prime is 868877981. The next prime is 868878029. The reversal of 868877998 is 899778868.

868877998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 78586 + ... + 88957.

It is an arithmetic number, because the mean of its divisors is an integer number (162978426).

Almost surely, 2^868877998 is an apocalyptic number.

868877998 is a deficient number, since it is larger than the sum of its proper divisors (434949410).

868877998 is a wasteful number, since it uses less digits than its factorization.

868877998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170138.

The product of its digits is 97542144, while the sum is 70.

The square root of 868877998 is about 29476.7365561386. The cubic root of 868877998 is about 954.2297080710.

The spelling of 868877998 in words is "eight hundred sixty-eight million, eight hundred seventy-seven thousand, nine hundred ninety-eight".