28774677486 has 32 divisors (see below), whose sum is σ = 57983143680. Its totient is φ = 9519438656.

The previous prime is 28774677467. The next prime is 28774677499. The reversal of 28774677486 is 68477647782.

It is a congruent number.

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, 638530 + ... + 682106.

It is an arithmetic number, because the mean of its divisors is an integer number (1811973240).

Almost surely, 2^28774677486 is an apocalyptic number.

28774677486 is an abundant number, since it is smaller than the sum of its proper divisors (29208466194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28774677486 is a wasteful number, since it uses less digits than its factorization.

28774677486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408.

The product of its digits is 177020928, while the sum is 66.

The spelling of 28774677486 in words is "twenty-eight billion, seven hundred seventy-four million, six hundred seventy-seven thousand, four hundred eighty-six".