28342976344 has 8 divisors (see below), whose sum is σ = 53143080660. Its totient is φ = 14171488168.

The previous prime is 28342976273. The next prime is 28342976353. The reversal of 28342976344 is 44367924382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28342976291 and 28342976300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771436014 + ... + 1771436029.

Almost surely, 2^28342976344 is an apocalyptic number.

It is an amenable number.

28342976344 is a deficient number, since it is larger than the sum of its proper divisors (24800104316).

28342976344 is a wasteful number, since it uses less digits than its factorization.

28342976344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542872049 (or 3542872045 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 52.

The spelling of 28342976344 in words is "twenty-eight billion, three hundred forty-two million, nine hundred seventy-six thousand, three hundred forty-four".