83472997 has 2 divisors, whose sum is σ = 83472998. Its totient is φ = 83472996.

The previous prime is 83472989. The next prime is 83473127. The reversal of 83472997 is 79927438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54893281 + 28579716 = 7409^2 + 5346^2 .

It is a cyclic number.

It is not a de Polignac number, because 83472997 - 2³ = 83472989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83472997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83472937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41736498 + 41736499.

It is an arithmetic number, because the mean of its divisors is an integer number (41736499).

Almost surely, 2^83472997 is an apocalyptic number.

It is an amenable number.

83472997 is a deficient number, since it is larger than the sum of its proper divisors (1).

83472997 is an equidigital number, since it uses as much as digits as its factorization.

83472997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 83472997 is about 9136.3557833526. The cubic root of 83472997 is about 437.0341110765.

The spelling of 83472997 in words is "eighty-three million, four hundred seventy-two thousand, nine hundred ninety-seven".