28724602294 has 16 divisors (see below), whose sum is σ = 45230653440. Its totient is φ = 13663423080.

The previous prime is 28724602271. The next prime is 28724602393. The reversal of 28724602294 is 49220642782.

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, 3922614 + ... + 3929929.

It is an arithmetic number, because the mean of its divisors is an integer number (2826915840).

Almost surely, 2^28724602294 is an apocalyptic number.

28724602294 is a deficient number, since it is larger than the sum of its proper divisors (16506051146).

28724602294 is a wasteful number, since it uses less digits than its factorization.

28724602294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852635.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 28724602294 in words is "twenty-eight billion, seven hundred twenty-four million, six hundred two thousand, two hundred ninety-four".