28714910699 has 4 divisors (see below), whose sum is σ = 28754085936. Its totient is φ = 28675735464.

The previous prime is 28714910689. The next prime is 28714910761. The reversal of 28714910699 is 99601941782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28714910699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28714910689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19586519 + ... + 19587984.

It is an arithmetic number, because the mean of its divisors is an integer number (7188521484).

Almost surely, 2^28714910699 is an apocalyptic number.

28714910699 is a deficient number, since it is larger than the sum of its proper divisors (39175237).

28714910699 is an equidigital number, since it uses as much as digits as its factorization.

28714910699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39175236.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 28714910699 in words is "twenty-eight billion, seven hundred fourteen million, nine hundred ten thousand, six hundred ninety-nine".