28374677 has 2 divisors, whose sum is σ = 28374678. Its totient is φ = 28374676.

The previous prime is 28374623. The next prime is 28374679. The reversal of 28374677 is 77647382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27133681 + 1240996 = 5209^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 28374677 - 2⁶ = 28374613 is a prime.

Together with 28374679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28374679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187338 + 14187339.

It is an arithmetic number, because the mean of its divisors is an integer number (14187339).

Almost surely, 2^28374677 is an apocalyptic number.

It is an amenable number.

28374677 is a deficient number, since it is larger than the sum of its proper divisors (1).

28374677 is an equidigital number, since it uses as much as digits as its factorization.

28374677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 28374677 is about 5326.7886197971. The cubic root of 28374677 is about 305.0073526849.

The spelling of 28374677 in words is "twenty-eight million, three hundred seventy-four thousand, six hundred seventy-seven".