28029480279 has 8 divisors (see below), whose sum is σ = 37439023872. Its totient is φ = 18653128440.

The previous prime is 28029480209. The next prime is 28029480289. The reversal of 28029480279 is 97208492082.

It is a happy number.

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

It is not a de Polignac number, because 28029480279 - 2⁷ = 28029480151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28029480209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295967 + ... + 8299344.

It is an arithmetic number, because the mean of its divisors is an integer number (4679877984).

Almost surely, 2^28029480279 is an apocalyptic number.

28029480279 is a deficient number, since it is larger than the sum of its proper divisors (9409543593).

28029480279 is a wasteful number, since it uses less digits than its factorization.

28029480279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16595877.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 28029480279 in words is "twenty-eight billion, twenty-nine million, four hundred eighty thousand, two hundred seventy-nine".