863795998 has 8 divisors (see below), whose sum is σ = 1395362808. Its totient is φ = 398675064.

The previous prime is 863795983. The next prime is 863796013. The reversal of 863795998 is 899597368.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (863795983) and next prime (863796013).

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

It is a super-2 number, since 2×863795998² = 1492287052321632008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16611436 + ... + 16611487.

It is an arithmetic number, because the mean of its divisors is an integer number (174420351).

Almost surely, 2^863795998 is an apocalyptic number.

863795998 is a deficient number, since it is larger than the sum of its proper divisors (531566810).

863795998 is a wasteful number, since it uses less digits than its factorization.

863795998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222938.

The product of its digits is 29393280, while the sum is 64.

The square root of 863795998 is about 29390.4065640474. The cubic root of 863795998 is about 952.3656639402.

The spelling of 863795998 in words is "eight hundred sixty-three million, seven hundred ninety-five thousand, nine hundred ninety-eight".