818987283896 has 32 divisors (see below), whose sum is σ = 1593628311600. Its totient is φ = 394109963520.

The previous prime is 818987283869. The next prime is 818987283899. The reversal of 818987283896 is 698382789818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818987283899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5566550 + ... + 5711781.

Almost surely, 2^818987283896 is an apocalyptic number.

It is an amenable number.

818987283896 is a deficient number, since it is larger than the sum of its proper divisors (774641027704).

818987283896 is a wasteful number, since it uses less digits than its factorization.

818987283896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278679 (or 11278675 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 77.

The spelling of 818987283896 in words is "eight hundred eighteen billion, nine hundred eighty-seven million, two hundred eighty-three thousand, eight hundred ninety-six".