28167674907 has 8 divisors (see below), whose sum is σ = 38571951376. Its totient is φ = 18270924192.

The previous prime is 28167674903. The next prime is 28167674939. The reversal of 28167674907 is 70947676182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28167674907 - 2² = 28167674903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28167674903) 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 7 ways as a sum of consecutive naturals, for example, 126881308 + ... + 126881529.

It is an arithmetic number, because the mean of its divisors is an integer number (4821493922).

Almost surely, 2^28167674907 is an apocalyptic number.

28167674907 is a deficient number, since it is larger than the sum of its proper divisors (10404276469).

28167674907 is a wasteful number, since it uses less digits than its factorization.

28167674907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253762877.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 28167674907 in words is "twenty-eight billion, one hundred sixty-seven million, six hundred seventy-four thousand, nine hundred seven".