28786630746 has 16 divisors (see below), whose sum is σ = 58143295008. Its totient is φ = 9500538000.

The previous prime is 28786630729. The next prime is 28786630771. The reversal of 28786630746 is 64703668782.

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, 23750740 + ... + 23751951.

It is an arithmetic number, because the mean of its divisors is an integer number (3633955938).

Almost surely, 2^28786630746 is an apocalyptic number.

28786630746 is an abundant number, since it is smaller than the sum of its proper divisors (29356664262).

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

28786630746 is a wasteful number, since it uses less digits than its factorization.

28786630746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47502797.

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 28786630746 in words is "twenty-eight billion, seven hundred eighty-six million, six hundred thirty thousand, seven hundred forty-six".