28322572087 has 2 divisors, whose sum is σ = 28322572088. Its totient is φ = 28322572086.

The previous prime is 28322572051. The next prime is 28322572123. The reversal of 28322572087 is 78027522382.

It is a balanced prime because it is at equal distance from previous prime (28322572051) and next prime (28322572123).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28322572087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28322572037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161286043 + 14161286044.

It is an arithmetic number, because the mean of its divisors is an integer number (14161286044).

Almost surely, 2^28322572087 is an apocalyptic number.

28322572087 is a deficient number, since it is larger than the sum of its proper divisors (1).

28322572087 is an equidigital number, since it uses as much as digits as its factorization.

28322572087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 28322572087 in words is "twenty-eight billion, three hundred twenty-two million, five hundred seventy-two thousand, eighty-seven".