84788927 has 2 divisors, whose sum is σ = 84788928. Its totient is φ = 84788926.

The previous prime is 84788909. The next prime is 84788929. The reversal of 84788927 is 72988748.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84788927 - 2²² = 80594623 is a prime.

It is a super-2 number, since 2×84788927² = 14378324283622658, which contains 22 as substring.

Together with 84788929, 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 (84788929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42394463 + 42394464.

It is an arithmetic number, because the mean of its divisors is an integer number (42394464).

Almost surely, 2^84788927 is an apocalyptic number.

84788927 is a deficient number, since it is larger than the sum of its proper divisors (1).

84788927 is an equidigital number, since it uses as much as digits as its factorization.

84788927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 53.

The square root of 84788927 is about 9208.0903014686. The cubic root of 84788927 is about 439.3187235789.

The spelling of 84788927 in words is "eighty-four million, seven hundred eighty-eight thousand, nine hundred twenty-seven".