28794501739 has 2 divisors, whose sum is σ = 28794501740. Its totient is φ = 28794501738.

The previous prime is 28794501733. The next prime is 28794501781. The reversal of 28794501739 is 93710549782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28794501739 - 2²⁵ = 28760947307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28794501739.

It is not a weakly prime, because it can be changed into another prime (28794501733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397250869 + 14397250870.

It is an arithmetic number, because the mean of its divisors is an integer number (14397250870).

Almost surely, 2^28794501739 is an apocalyptic number.

28794501739 is a deficient number, since it is larger than the sum of its proper divisors (1).

28794501739 is an equidigital number, since it uses as much as digits as its factorization.

28794501739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 28794501739 in words is "twenty-eight billion, seven hundred ninety-four million, five hundred one thousand, seven hundred thirty-nine".