863158028 has 6 divisors (see below), whose sum is σ = 1510526556. Its totient is φ = 431579012.

The previous prime is 863157931. The next prime is 863158031. The reversal of 863158028 is 820851368.

It is a super-3 number, since 3×863158028³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107894750 + ... + 107894757.

It is an arithmetic number, because the mean of its divisors is an integer number (251754426).

Almost surely, 2^863158028 is an apocalyptic number.

It is an amenable number.

863158028 is a deficient number, since it is larger than the sum of its proper divisors (647368528).

863158028 is a wasteful number, since it uses less digits than its factorization.

863158028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215789511 (or 215789509 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 863158028 is about 29379.5511878585. The cubic root of 863158028 is about 952.1311446923.

The spelling of 863158028 in words is "eight hundred sixty-three million, one hundred fifty-eight thousand, twenty-eight".