28922604791 has 2 divisors, whose sum is σ = 28922604792. Its totient is φ = 28922604790.

The previous prime is 28922604749. The next prime is 28922604797. The reversal of 28922604791 is 19740622982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28922604791 - 2¹⁴ = 28922588407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28922604797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14461302395 + 14461302396.

It is an arithmetic number, because the mean of its divisors is an integer number (14461302396).

Almost surely, 2^28922604791 is an apocalyptic number.

28922604791 is a deficient number, since it is larger than the sum of its proper divisors (1).

28922604791 is an equidigital number, since it uses as much as digits as its factorization.

28922604791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 28922604791 in words is "twenty-eight billion, nine hundred twenty-two million, six hundred four thousand, seven hundred ninety-one".