28624087 has 2 divisors, whose sum is σ = 28624088. Its totient is φ = 28624086.

The previous prime is 28624033. The next prime is 28624133. The reversal of 28624087 is 78042682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28624087 - 2¹⁵ = 28591319 is a prime.

It is equal to p_1777843 and since 28624087 and 1777843 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 (28624007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14312043 + 14312044.

It is an arithmetic number, because the mean of its divisors is an integer number (14312044).

Almost surely, 2^28624087 is an apocalyptic number.

28624087 is a deficient number, since it is larger than the sum of its proper divisors (1).

28624087 is an equidigital number, since it uses as much as digits as its factorization.

28624087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 28624087 is about 5350.1483157012. The cubic root of 28624087 is about 305.8984063327.

The spelling of 28624087 in words is "twenty-eight million, six hundred twenty-four thousand, eighty-seven".