28839015473 has 2 divisors, whose sum is σ = 28839015474. Its totient is φ = 28839015472.

The previous prime is 28839015433. The next prime is 28839015493. The reversal of 28839015473 is 37451093882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22078393744 + 6760621729 = 148588^2 + 82223^2 .

It is a cyclic number.

It is not a de Polignac number, because 28839015473 - 2¹⁸ = 28838753329 is a prime.

It is not a weakly prime, because it can be changed into another prime (28839015433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14419507736 + 14419507737.

It is an arithmetic number, because the mean of its divisors is an integer number (14419507737).

Almost surely, 2^28839015473 is an apocalyptic number.

It is an amenable number.

28839015473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28839015473 is an equidigital number, since it uses as much as digits as its factorization.

28839015473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 28839015473 in words is "twenty-eight billion, eight hundred thirty-nine million, fifteen thousand, four hundred seventy-three".