28024072671 has 16 divisors (see below), whose sum is σ = 45215311104. Its totient is φ = 15071769984.

The previous prime is 28024072613. The next prime is 28024072673. The reversal of 28024072671 is 17627042082.

It is not a de Polignac number, because 28024072671 - 2⁷ = 28024072543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28024072673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39249045 + ... + 39249758.

It is an arithmetic number, because the mean of its divisors is an integer number (2825956944).

Almost surely, 2^28024072671 is an apocalyptic number.

28024072671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28024072671 is a deficient number, since it is larger than the sum of its proper divisors (17191238433).

28024072671 is a wasteful number, since it uses less digits than its factorization.

28024072671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78498830.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 28024072671 in words is "twenty-eight billion, twenty-four million, seventy-two thousand, six hundred seventy-one".