985887000766 has 32 divisors (see below), whose sum is σ = 1568922336000. Its totient is φ = 463334826240.

The previous prime is 985887000739. The next prime is 985887000781. The reversal of 985887000766 is 667000788589.

985887000766 = T₈₁₀₇₁₃ + T₈₁₀₇₁₄ + T₈₁₀₇₁₅.

It is a junction number, because it is equal to n+sod(n) for n = 985887000698 and 985887000707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484721 + ... + 2854051.

It is an arithmetic number, because the mean of its divisors is an integer number (49028823000).

Almost surely, 2^985887000766 is an apocalyptic number.

985887000766 is the 810715-th centered triangular number.

985887000766 is a deficient number, since it is larger than the sum of its proper divisors (583035335234).

985887000766 is a wasteful number, since it uses less digits than its factorization.

985887000766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369904.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 985887000766 in words is "nine hundred eighty-five billion, eight hundred eighty-seven million, seven hundred sixty-six", and thus it is an aban number.