28807862899 has 16 divisors (see below), whose sum is σ = 29615284800. Its totient is φ = 28011110400.

The previous prime is 28807862861. The next prime is 28807862927. The reversal of 28807862899 is 99826870882.

It is a cyclic number.

It is not a de Polignac number, because 28807862899 - 2¹³ = 28807854707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28807862299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589339 + ... + 3597355.

It is an arithmetic number, because the mean of its divisors is an integer number (1850955300).

Almost surely, 2^28807862899 is an apocalyptic number.

28807862899 is a deficient number, since it is larger than the sum of its proper divisors (807421901).

28807862899 is a wasteful number, since it uses less digits than its factorization.

28807862899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670.

The product of its (nonzero) digits is 55738368, while the sum is 67.

The spelling of 28807862899 in words is "twenty-eight billion, eight hundred seven million, eight hundred sixty-two thousand, eight hundred ninety-nine".