28930679 has 2 divisors, whose sum is σ = 28930680. Its totient is φ = 28930678.

The previous prime is 28930663. The next prime is 28930687. The reversal of 28930679 is 97603982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28930679 - 2⁴ = 28930663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28930639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14465339 + 14465340.

It is an arithmetic number, because the mean of its divisors is an integer number (14465340).

Almost surely, 2^28930679 is an apocalyptic number.

28930679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28930679 is an equidigital number, since it uses as much as digits as its factorization.

28930679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 28930679 is about 5378.7246629661. The cubic root of 28930679 is about 306.9866871683.

The spelling of 28930679 in words is "twenty-eight million, nine hundred thirty thousand, six hundred seventy-nine".