28587157443167 has 2 divisors, whose sum is σ = 28587157443168. Its totient is φ = 28587157443166.

The previous prime is 28587157443133. The next prime is 28587157443179. The reversal of 28587157443167 is 76134475178582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28587157443167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28587157443097 and 28587157443106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28587157443367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14293578721583 + 14293578721584.

It is an arithmetic number, because the mean of its divisors is an integer number (14293578721584).

Almost surely, 2^{28587157443167} is an apocalyptic number.

28587157443167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28587157443167 is an equidigital number, since it uses as much as digits as its factorization.

28587157443167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 316108800, while the sum is 68.

The spelling of 28587157443167 in words is "twenty-eight trillion, five hundred eighty-seven billion, one hundred fifty-seven million, four hundred forty-three thousand, one hundred sixty-seven".