28600077487 has 2 divisors, whose sum is σ = 28600077488. Its totient is φ = 28600077486.

The previous prime is 28600077461. The next prime is 28600077523. The reversal of 28600077487 is 78477000682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28600077487 - 2¹⁵ = 28600044719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28600077487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28600074487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300038743 + 14300038744.

It is an arithmetic number, because the mean of its divisors is an integer number (14300038744).

Almost surely, 2^28600077487 is an apocalyptic number.

28600077487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600077487 is an equidigital number, since it uses as much as digits as its factorization.

28600077487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 28600077487 in words is "twenty-eight billion, six hundred million, seventy-seven thousand, four hundred eighty-seven".