985858768 has 10 divisors (see below), whose sum is σ = 1910101394. Its totient is φ = 492929376.

The previous prime is 985858763. The next prime is 985858771. The reversal of 985858768 is 867858589.

It can be written as a sum of positive squares in only one way, i.e., 797949504 + 187909264 = 28248^2 + 13708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985858763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808071 + ... + 30808102.

Almost surely, 2^985858768 is an apocalyptic number.

It is an amenable number.

985858768 is a deficient number, since it is larger than the sum of its proper divisors (924242626).

985858768 is a wasteful number, since it uses less digits than its factorization.

985858768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61616181 (or 61616175 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 64.

The square root of 985858768 is about 31398.3879840988. The cubic root of 985858768 is about 995.2638603938.

The spelling of 985858768 in words is "nine hundred eighty-five million, eight hundred fifty-eight thousand, seven hundred sixty-eight".