28060671807 has 80 divisors (see below), whose sum is σ = 50218291200. Its totient is φ = 15267149568.

The previous prime is 28060671781. The next prime is 28060671811. The reversal of 28060671807 is 70817606082.

28060671807 is a `hidden beast` number, since 28 + 0 + 606 + 7 + 18 + 0 + 7 = 666.

It is not a de Polignac number, because 28060671807 - 2²³ = 28052283199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060671887) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2903319 + ... + 2912967.

It is an arithmetic number, because the mean of its divisors is an integer number (627728640).

Almost surely, 2^28060671807 is an apocalyptic number.

28060671807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28060671807 is a deficient number, since it is larger than the sum of its proper divisors (22157619393).

28060671807 is a wasteful number, since it uses less digits than its factorization.

28060671807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9914 (or 9905 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 28060671807 in words is "twenty-eight billion, sixty million, six hundred seventy-one thousand, eight hundred seven".