28042627 has 2 divisors, whose sum is σ = 28042628. Its totient is φ = 28042626.

The previous prime is 28042607. The next prime is 28042643. The reversal of 28042627 is 72624082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28042627 is a prime.

It is a super-2 number, since 2×28042627² = 1572777858122258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28042607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14021313 + 14021314.

It is an arithmetic number, because the mean of its divisors is an integer number (14021314).

Almost surely, 2^28042627 is an apocalyptic number.

28042627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28042627 is an equidigital number, since it uses as much as digits as its factorization.

28042627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 28042627 is about 5295.5289631915. The cubic root of 28042627 is about 303.8129151008.

The spelling of 28042627 in words is "twenty-eight million, forty-two thousand, six hundred twenty-seven".