28886827597 has 2 divisors, whose sum is σ = 28886827598. Its totient is φ = 28886827596.

The previous prime is 28886827583. The next prime is 28886827643. The reversal of 28886827597 is 79572868882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23847389476 + 5039438121 = 154426^2 + 70989^2 .

It is a cyclic number.

It is not a de Polignac number, because 28886827597 - 2⁷ = 28886827469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28886827537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14443413798 + 14443413799.

It is an arithmetic number, because the mean of its divisors is an integer number (14443413799).

Almost surely, 2^28886827597 is an apocalyptic number.

It is an amenable number.

28886827597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28886827597 is an equidigital number, since it uses as much as digits as its factorization.

28886827597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216760320, while the sum is 70.

The spelling of 28886827597 in words is "twenty-eight billion, eight hundred eighty-six million, eight hundred twenty-seven thousand, five hundred ninety-seven".