83982497 has 4 divisors (see below), whose sum is σ = 84021780. Its totient is φ = 83943216.

The previous prime is 83982491. The next prime is 83982511. The reversal of 83982497 is 79428938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79428938 = 2 ⋅39714469.

It can be written as a sum of positive squares in 2 ways, for example, as 19324816 + 64657681 = 4396^2 + 8041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83982497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83982491) 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, 16238 + ... + 20775.

It is an arithmetic number, because the mean of its divisors is an integer number (21005445).

Almost surely, 2^83982497 is an apocalyptic number.

It is an amenable number.

83982497 is a deficient number, since it is larger than the sum of its proper divisors (39283).

83982497 is a wasteful number, since it uses less digits than its factorization.

83982497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39282.

The product of its digits is 870912, while the sum is 50.

The square root of 83982497 is about 9164.1964732321. The cubic root of 83982497 is about 437.9214933347.

The spelling of 83982497 in words is "eighty-three million, nine hundred eighty-two thousand, four hundred ninety-seven".