782922137 has 2 divisors, whose sum is σ = 782922138. Its totient is φ = 782922136.

The previous prime is 782922083. The next prime is 782922149. The reversal of 782922137 is 731229287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618467161 + 164454976 = 24869^2 + 12824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-782922137 is a prime.

It is a super-2 number, since 2×782922137² = 1225934145209293538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782922094 and 782922103.

It is not a weakly prime, because it can be changed into another prime (782922157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391461068 + 391461069.

It is an arithmetic number, because the mean of its divisors is an integer number (391461069).

Almost surely, 2^782922137 is an apocalyptic number.

It is an amenable number.

782922137 is a deficient number, since it is larger than the sum of its proper divisors (1).

782922137 is an equidigital number, since it uses as much as digits as its factorization.

782922137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 782922137 is about 27980.7458263714. The cubic root of 782922137 is about 921.6644949938.

The spelling of 782922137 in words is "seven hundred eighty-two million, nine hundred twenty-two thousand, one hundred thirty-seven".