28042931106907 has 8 divisors (see below), whose sum is σ = 28159963036416. Its totient is φ = 27925960538112.

The previous prime is 28042931106863. The next prime is 28042931106913. The reversal of 28042931106907 is 70960113924082.

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

It is a cyclic number.

It is not a de Polignac number, because 28042931106907 - 2¹⁵ = 28042931074139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28042931106997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14424123 + ... + 16252420.

It is an arithmetic number, because the mean of its divisors is an integer number (3519995379552).

Almost surely, 2^{28042931106907} is an apocalyptic number.

28042931106907 is a deficient number, since it is larger than the sum of its proper divisors (117031929509).

28042931106907 is a wasteful number, since it uses less digits than its factorization.

28042931106907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30680357.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 28042931106907 in words is "twenty-eight trillion, forty-two billion, nine hundred thirty-one million, one hundred six thousand, nine hundred seven".