28671142054 has 16 divisors (see below), whose sum is σ = 43177653936. Its totient is φ = 14278633600.

The previous prime is 28671142037. The next prime is 28671142061. The reversal of 28671142054 is 45024117682.

It is a junction number, because it is equal to n+sod(n) for n = 28671141998 and 28671142016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551489 + ... + 1569859.

It is an arithmetic number, because the mean of its divisors is an integer number (2698603371).

Almost surely, 2^28671142054 is an apocalyptic number.

28671142054 is a deficient number, since it is larger than the sum of its proper divisors (14506511882).

28671142054 is a wasteful number, since it uses less digits than its factorization.

28671142054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 28671142054 in words is "twenty-eight billion, six hundred seventy-one million, one hundred forty-two thousand, fifty-four".