28372123376 has 20 divisors (see below), whose sum is σ = 55791453672. Its totient is φ = 13974328896.

The previous prime is 28372123337. The next prime is 28372123379. The reversal of 28372123376 is 67332127382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372123379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13232195 + ... + 13234338.

Almost surely, 2^28372123376 is an apocalyptic number.

It is an amenable number.

28372123376 is a deficient number, since it is larger than the sum of its proper divisors (27419330296).

28372123376 is a wasteful number, since it uses less digits than its factorization.

28372123376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26466608 (or 26466602 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The spelling of 28372123376 in words is "twenty-eight billion, three hundred seventy-two million, one hundred twenty-three thousand, three hundred seventy-six".