985364887 has 4 divisors (see below), whose sum is σ = 1061162200. Its totient is φ = 909567576.

The previous prime is 985364881. The next prime is 985364893. The reversal of 985364887 is 788463589.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (985364881) and next prime (985364893).

It is a cyclic number.

It is not a de Polignac number, because 985364887 - 2³ = 985364879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985364881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37898637 + ... + 37898662.

It is an arithmetic number, because the mean of its divisors is an integer number (265290550).

Almost surely, 2^985364887 is an apocalyptic number.

985364887 is a deficient number, since it is larger than the sum of its proper divisors (75797313).

985364887 is a wasteful number, since it uses less digits than its factorization.

985364887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75797312.

The product of its digits is 11612160, while the sum is 58.

The square root of 985364887 is about 31390.5222479652. The cubic root of 985364887 is about 995.0976350914.

The spelling of 985364887 in words is "nine hundred eighty-five million, three hundred sixty-four thousand, eight hundred eighty-seven".