44787821894 has 8 divisors (see below), whose sum is σ = 67665055080. Its totient is φ = 22232803536.

The previous prime is 44787821887. The next prime is 44787821957. The reversal of 44787821894 is 49812878744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80553359 + ... + 80553914.

It is an arithmetic number, because the mean of its divisors is an integer number (8458131885).

Almost surely, 2^44787821894 is an apocalyptic number.

44787821894 is a deficient number, since it is larger than the sum of its proper divisors (22877233186).

44787821894 is a wasteful number, since it uses less digits than its factorization.

44787821894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161107414.

The product of its digits is 28901376, while the sum is 62.

The spelling of 44787821894 in words is "forty-four billion, seven hundred eighty-seven million, eight hundred twenty-one thousand, eight hundred ninety-four".