84299771 has 2 divisors, whose sum is σ = 84299772. Its totient is φ = 84299770.

The previous prime is 84299767. The next prime is 84299779. The reversal of 84299771 is 17799248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84299771 - 2² = 84299767 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84299779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42149885 + 42149886.

It is an arithmetic number, because the mean of its divisors is an integer number (42149886).

Almost surely, 2^84299771 is an apocalyptic number.

84299771 is a deficient number, since it is larger than the sum of its proper divisors (1).

84299771 is an equidigital number, since it uses as much as digits as its factorization.

84299771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 84299771 is about 9181.4906741770. The cubic root of 84299771 is about 438.4722688277.

The spelling of 84299771 in words is "eighty-four million, two hundred ninety-nine thousand, seven hundred seventy-one".