28107685474 has 32 divisors (see below), whose sum is σ = 46735159680. Its totient is φ = 12571171200.

The previous prime is 28107685447. The next prime is 28107685477. The reversal of 28107685474 is 47458670182.

It is not an unprimeable number, because it can be changed into a prime (28107685477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777382 + ... + 812734.

It is an arithmetic number, because the mean of its divisors is an integer number (1460473740).

Almost surely, 2^28107685474 is an apocalyptic number.

28107685474 is a deficient number, since it is larger than the sum of its proper divisors (18627474206).

28107685474 is a wasteful number, since it uses less digits than its factorization.

28107685474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35946.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 28107685474 in words is "twenty-eight billion, one hundred seven million, six hundred eighty-five thousand, four hundred seventy-four".