28875900407 has 2 divisors, whose sum is σ = 28875900408. Its totient is φ = 28875900406.

The previous prime is 28875900397. The next prime is 28875900439. The reversal of 28875900407 is 70400957882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28875900407 - 2¹⁰ = 28875899383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28875900607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437950203 + 14437950204.

It is an arithmetic number, because the mean of its divisors is an integer number (14437950204).

Almost surely, 2^28875900407 is an apocalyptic number.

28875900407 is a deficient number, since it is larger than the sum of its proper divisors (1).

28875900407 is an equidigital number, since it uses as much as digits as its factorization.

28875900407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 28875900407 in words is "twenty-eight billion, eight hundred seventy-five million, nine hundred thousand, four hundred seven".