84752287 has 2 divisors, whose sum is σ = 84752288. Its totient is φ = 84752286.

The previous prime is 84752281. The next prime is 84752299. The reversal of 84752287 is 78225748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84752287 - 2³ = 84752279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84752281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42376143 + 42376144.

It is an arithmetic number, because the mean of its divisors is an integer number (42376144).

Almost surely, 2^84752287 is an apocalyptic number.

84752287 is a deficient number, since it is larger than the sum of its proper divisors (1).

84752287 is an equidigital number, since it uses as much as digits as its factorization.

84752287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 43.

The square root of 84752287 is about 9206.1005317127. The cubic root of 84752287 is about 439.2554332501.

The spelling of 84752287 in words is "eighty-four million, seven hundred fifty-two thousand, two hundred eighty-seven".