28375739307 has 12 divisors (see below), whose sum is σ = 41300059944. Its totient is φ = 18772752960.

The previous prime is 28375739269. The next prime is 28375739341. The reversal of 28375739307 is 70393757382.

28375739307 is a `hidden beast` number, since 2 + 8 + 37 + 573 + 9 + 30 + 7 = 666.

It is not a de Polignac number, because 28375739307 - 2¹¹ = 28375737259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28375739387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12032638 + ... + 12034995.

It is an arithmetic number, because the mean of its divisors is an integer number (3441671662).

Almost surely, 2^28375739307 is an apocalyptic number.

28375739307 is a deficient number, since it is larger than the sum of its proper divisors (12924320637).

28375739307 is a wasteful number, since it uses less digits than its factorization.

28375739307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24067770 (or 24067767 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 54.

The spelling of 28375739307 in words is "twenty-eight billion, three hundred seventy-five million, seven hundred thirty-nine thousand, three hundred seven".