964894831986 has 16 divisors (see below), whose sum is σ = 1929869114400. Its totient is φ = 321618368928.

The previous prime is 964894831963. The next prime is 964894831997. The reversal of 964894831986 is 689138498469.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151971 + ... + 3444518.

It is an arithmetic number, because the mean of its divisors is an integer number (120616819650).

Almost surely, 2^964894831986 is an apocalyptic number.

964894831986 is an abundant number, since it is smaller than the sum of its proper divisors (964974282414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

964894831986 is a wasteful number, since it uses less digits than its factorization.

964894831986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620873.

The product of its digits is 644972544, while the sum is 75.

The spelling of 964894831986 in words is "nine hundred sixty-four billion, eight hundred ninety-four million, eight hundred thirty-one thousand, nine hundred eighty-six".