84997933 has 2 divisors, whose sum is σ = 84997934. Its totient is φ = 84997932.

The previous prime is 84997931. The next prime is 84997973. The reversal of 84997933 is 33979948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 32970564 = 7213^2 + 5742^2 .

It is a cyclic number.

It is not a de Polignac number, because 84997933 - 2¹ = 84997931 is a prime.

It is a super-2 number, since 2×84997933² = 14449297228544978, which contains 22 as substring.

Together with 84997931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84997931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42498966 + 42498967.

It is an arithmetic number, because the mean of its divisors is an integer number (42498967).

Almost surely, 2^84997933 is an apocalyptic number.

It is an amenable number.

84997933 is a deficient number, since it is larger than the sum of its proper divisors (1).

84997933 is an equidigital number, since it uses as much as digits as its factorization.

84997933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 84997933 is about 9219.4323577973. The cubic root of 84997933 is about 439.6794031685.

The spelling of 84997933 in words is "eighty-four million, nine hundred ninety-seven thousand, nine hundred thirty-three".