28800487 has 2 divisors, whose sum is σ = 28800488. Its totient is φ = 28800486.

The previous prime is 28800469. The next prime is 28800503. The reversal of 28800487 is 78400882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28800487 - 2¹¹ = 28798439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28807487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400243 + 14400244.

It is an arithmetic number, because the mean of its divisors is an integer number (14400244).

Almost surely, 2^28800487 is an apocalyptic number.

28800487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28800487 is an equidigital number, since it uses as much as digits as its factorization.

28800487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 28800487 is about 5366.6085193537. The cubic root of 28800487 is about 306.5255006916.

The spelling of 28800487 in words is "twenty-eight million, eight hundred thousand, four hundred eighty-seven".