28680227054 has 4 divisors (see below), whose sum is σ = 43020340584. Its totient is φ = 14340113526.

The previous prime is 28680227029. The next prime is 28680227057. The reversal of 28680227054 is 45072208682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45072208682 = 2 ⋅22536104341.

It is a junction number, because it is equal to n+sod(n) for n = 28680226996 and 28680227014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28680227057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7170056762 + ... + 7170056765.

It is an arithmetic number, because the mean of its divisors is an integer number (10755085146).

Almost surely, 2^28680227054 is an apocalyptic number.

28680227054 is a deficient number, since it is larger than the sum of its proper divisors (14340113530).

28680227054 is a wasteful number, since it uses less digits than its factorization.

28680227054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14340113529.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 28680227054 in words is "twenty-eight billion, six hundred eighty million, two hundred twenty-seven thousand, fifty-four".