28502607487 has 2 divisors, whose sum is σ = 28502607488. Its totient is φ = 28502607486.

The previous prime is 28502607437. The next prime is 28502607517. The reversal of 28502607487 is 78470620582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28502607487 - 2¹⁹ = 28502083199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28502607487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28502607407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14251303743 + 14251303744.

It is an arithmetic number, because the mean of its divisors is an integer number (14251303744).

Almost surely, 2^28502607487 is an apocalyptic number.

28502607487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28502607487 is an equidigital number, since it uses as much as digits as its factorization.

28502607487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 28502607487 in words is "twenty-eight billion, five hundred two million, six hundred seven thousand, four hundred eighty-seven".