28862671 has 2 divisors, whose sum is σ = 28862672. Its totient is φ = 28862670.

The previous prime is 28862663. The next prime is 28862689. The reversal of 28862671 is 17626882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28862671 - 2³ = 28862663 is a prime.

It is equal to p_1791697 and since 28862671 and 1791697 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28862971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431335 + 14431336.

It is an arithmetic number, because the mean of its divisors is an integer number (14431336).

Almost surely, 2^28862671 is an apocalyptic number.

28862671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28862671 is an equidigital number, since it uses as much as digits as its factorization.

28862671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 28862671 is about 5372.3989985853. The cubic root of 28862671 is about 306.7459515910.

The spelling of 28862671 in words is "twenty-eight million, eight hundred sixty-two thousand, six hundred seventy-one".