985968158 has 32 divisors (see below), whose sum is σ = 1758412800. Its totient is φ = 405677664.

The previous prime is 985968157. The next prime is 985968173. The reversal of 985968158 is 851869589.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 985968097 and 985968106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985968157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65891 + ... + 79457.

It is an arithmetic number, because the mean of its divisors is an integer number (54950400).

Almost surely, 2^985968158 is an apocalyptic number.

985968158 is a deficient number, since it is larger than the sum of its proper divisors (772444642).

985968158 is a wasteful number, since it uses less digits than its factorization.

985968158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784.

The product of its digits is 6220800, while the sum is 59.

The square root of 985968158 is about 31400.1299041899. The cubic root of 985968158 is about 995.3006702259.

The spelling of 985968158 in words is "nine hundred eighty-five million, nine hundred sixty-eight thousand, one hundred fifty-eight".