28784680153 has 2 divisors, whose sum is σ = 28784680154. Its totient is φ = 28784680152.

The previous prime is 28784680079. The next prime is 28784680163. The reversal of 28784680153 is 35108648782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27044789209 + 1739890944 = 164453^2 + 41712^2 .

It is a cyclic number.

It is not a de Polignac number, because 28784680153 - 2¹³ = 28784671961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28784680153.

It is not a weakly prime, because it can be changed into another prime (28784680163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14392340076 + 14392340077.

It is an arithmetic number, because the mean of its divisors is an integer number (14392340077).

Almost surely, 2^28784680153 is an apocalyptic number.

It is an amenable number.

28784680153 is a deficient number, since it is larger than the sum of its proper divisors (1).

28784680153 is an equidigital number, since it uses as much as digits as its factorization.

28784680153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 28784680153 in words is "twenty-eight billion, seven hundred eighty-four million, six hundred eighty thousand, one hundred fifty-three".