972182839 has 2 divisors, whose sum is σ = 972182840. Its totient is φ = 972182838.

The previous prime is 972182801. The next prime is 972182903. The reversal of 972182839 is 938281279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972182839 - 2⁹ = 972182327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972182792 and 972182801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972182039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486091419 + 486091420.

It is an arithmetic number, because the mean of its divisors is an integer number (486091420).

Almost surely, 2^972182839 is an apocalyptic number.

972182839 is a deficient number, since it is larger than the sum of its proper divisors (1).

972182839 is an equidigital number, since it uses as much as digits as its factorization.

972182839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 972182839 is about 31179.8466801875. The cubic root of 972182839 is about 990.6402819961.

The spelling of 972182839 in words is "nine hundred seventy-two million, one hundred eighty-two thousand, eight hundred thirty-nine".