28677214405 has 64 divisors (see below), whose sum is σ = 42130368000. Its totient is φ = 18291990528.

The previous prime is 28677214393. The next prime is 28677214411. The reversal of 28677214405 is 50441277682.

It is not a de Polignac number, because 28677214405 - 2⁷ = 28677214277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22247001 + ... + 22248289.

It is an arithmetic number, because the mean of its divisors is an integer number (658287000).

Almost surely, 2^28677214405 is an apocalyptic number.

It is an amenable number.

28677214405 is a deficient number, since it is larger than the sum of its proper divisors (13453153595).

28677214405 is a wasteful number, since it uses less digits than its factorization.

28677214405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 28677214405 in words is "twenty-eight billion, six hundred seventy-seven million, two hundred fourteen thousand, four hundred five".