28458647699 has 8 divisors (see below), whose sum is σ = 29206518000. Its totient is φ = 27719628192.

The previous prime is 28458647677. The next prime is 28458647729. The reversal of 28458647699 is 99674685482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28458647699 - 2⁸ = 28458647443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28458647099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206184 + ... + 2219045.

It is an arithmetic number, because the mean of its divisors is an integer number (3650814750).

Almost surely, 2^28458647699 is an apocalyptic number.

28458647699 is a deficient number, since it is larger than the sum of its proper divisors (747870301).

28458647699 is a wasteful number, since it uses less digits than its factorization.

28458647699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425397.

The product of its digits is 209018880, while the sum is 68.

The spelling of 28458647699 in words is "twenty-eight billion, four hundred fifty-eight million, six hundred forty-seven thousand, six hundred ninety-nine".