8819687873044 has 24 divisors (see below), whose sum is σ = 15971715383400. Its totient is φ = 4256436602880.

The previous prime is 8819687873033. The next prime is 8819687873053. The reversal of 8819687873044 is 4403787869188.

It can be written as a sum of positive squares in 4 ways, for example, as 1135371229444 + 7684316643600 = 1065538^2 + 2772060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11628577 + ... + 12363784.

It is an arithmetic number, because the mean of its divisors is an integer number (665488140975).

Almost surely, 2^{8819687873044} is an apocalyptic number.

It is an amenable number.

8819687873044 is a deficient number, since it is larger than the sum of its proper divisors (7152027510356).

8819687873044 is a wasteful number, since it uses less digits than its factorization.

8819687873044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995563 (or 23995561 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 73.

The spelling of 8819687873044 in words is "eight trillion, eight hundred nineteen billion, six hundred eighty-seven million, eight hundred seventy-three thousand, forty-four".