84899827 has 2 divisors, whose sum is σ = 84899828. Its totient is φ = 84899826.

The previous prime is 84899783. The next prime is 84899833. The reversal of 84899827 is 72899848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84899827 - 2¹⁵ = 84867059 is a prime.

It is a super-3 number, since 3×84899827³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (84899027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42449913 + 42449914.

It is an arithmetic number, because the mean of its divisors is an integer number (42449914).

Almost surely, 2^84899827 is an apocalyptic number.

84899827 is a deficient number, since it is larger than the sum of its proper divisors (1).

84899827 is an equidigital number, since it uses as much as digits as its factorization.

84899827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The square root of 84899827 is about 9214.1102120606. The cubic root of 84899827 is about 439.5101763319.

The spelling of 84899827 in words is "eighty-four million, eight hundred ninety-nine thousand, eight hundred twenty-seven".