83446997 has 4 divisors (see below), whose sum is σ = 84185580. Its totient is φ = 82708416.

The previous prime is 83446991. The next prime is 83447011. The reversal of 83446997 is 79964438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 63457156 = 4471^2 + 7966^2 .

It is a cyclic number.

It is not a de Polignac number, because 83446997 - 2⁴ = 83446981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83446991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369122 + ... + 369347.

It is an arithmetic number, because the mean of its divisors is an integer number (21046395).

Almost surely, 2^83446997 is an apocalyptic number.

It is an amenable number.

83446997 is a deficient number, since it is larger than the sum of its proper divisors (738583).

83446997 is a wasteful number, since it uses less digits than its factorization.

83446997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738582.

The product of its digits is 1306368, while the sum is 50.

The square root of 83446997 is about 9134.9327857407. The cubic root of 83446997 is about 436.9887308647.

The spelling of 83446997 in words is "eighty-three million, four hundred forty-six thousand, nine hundred ninety-seven".