28474959671 has 2 divisors, whose sum is σ = 28474959672. Its totient is φ = 28474959670.

The previous prime is 28474959661. The next prime is 28474959701. The reversal of 28474959671 is 17695947482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28474959671 - 2¹⁰ = 28474958647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28474959661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14237479835 + 14237479836.

It is an arithmetic number, because the mean of its divisors is an integer number (14237479836).

Almost surely, 2^28474959671 is an apocalyptic number.

28474959671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28474959671 is an equidigital number, since it uses as much as digits as its factorization.

28474959671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 62.

The spelling of 28474959671 in words is "twenty-eight billion, four hundred seventy-four million, nine hundred fifty-nine thousand, six hundred seventy-one".