28976315790 has 32 divisors (see below), whose sum is σ = 71422705440. Its totient is φ = 7518178944.

The previous prime is 28976315777. The next prime is 28976315803. The reversal of 28976315790 is 9751367982.

It is an interprime number because it is at equal distance from previous prime (28976315777) and next prime (28976315803).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28976315790.

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, 13051285 + ... + 13053504.

It is an arithmetic number, because the mean of its divisors is an integer number (2231959545).

Almost surely, 2^28976315790 is an apocalyptic number.

28976315790 is an abundant number, since it is smaller than the sum of its proper divisors (42446389650).

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

28976315790 is a wasteful number, since it uses less digits than its factorization.

28976315790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26104836.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 28976315790 in words is "twenty-eight billion, nine hundred seventy-six million, three hundred fifteen thousand, seven hundred ninety".