28695967 has 2 divisors, whose sum is σ = 28695968. Its totient is φ = 28695966.

The previous prime is 28695959. The next prime is 28695977. The reversal of 28695967 is 76959682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28695967 - 2³ = 28695959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28695907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14347983 + 14347984.

It is an arithmetic number, because the mean of its divisors is an integer number (14347984).

Almost surely, 2^28695967 is an apocalyptic number.

28695967 is a deficient number, since it is larger than the sum of its proper divisors (1).

28695967 is an equidigital number, since it uses as much as digits as its factorization.

28695967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 28695967 is about 5356.8616745255. The cubic root of 28695967 is about 306.1542467826.

It can be divided in two parts, 2869 and 5967, that added together give a square (8836 = 94²).

The spelling of 28695967 in words is "twenty-eight million, six hundred ninety-five thousand, nine hundred sixty-seven".