28336111767844 has 48 divisors (see below), whose sum is σ = 50653070876016. Its totient is φ = 13866858547200.

The previous prime is 28336111767781. The next prime is 28336111767851. The reversal of 28336111767844 is 44876711163382.

It can be written as a sum of positive squares in 8 ways, for example, as 1784660871744 + 26551450896100 = 1335912^2 + 5152810^2 .

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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, 109521754 + ... + 109780174.

It is an arithmetic number, because the mean of its divisors is an integer number (1055272309917).

Almost surely, 2^{28336111767844} is an apocalyptic number.

It is an amenable number.

28336111767844 is a deficient number, since it is larger than the sum of its proper divisors (22316959108172).

28336111767844 is a wasteful number, since it uses less digits than its factorization.

28336111767844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261376 (or 261374 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 28336111767844 in words is "twenty-eight trillion, three hundred thirty-six billion, one hundred eleven million, seven hundred sixty-seven thousand, eight hundred forty-four".