847650137 has 2 divisors, whose sum is σ = 847650138. Its totient is φ = 847650136.

The previous prime is 847650079. The next prime is 847650149. The reversal of 847650137 is 731056748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702303001 + 145347136 = 26501^2 + 12056^2 .

It is a cyclic number.

It is not a de Polignac number, because 847650137 - 2¹⁸ = 847387993 is a prime.

It is a super-2 number, since 2×847650137² = 1437021509512237538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 847650094 and 847650103.

It is not a weakly prime, because it can be changed into another prime (847650437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423825068 + 423825069.

It is an arithmetic number, because the mean of its divisors is an integer number (423825069).

Almost surely, 2^847650137 is an apocalyptic number.

It is an amenable number.

847650137 is a deficient number, since it is larger than the sum of its proper divisors (1).

847650137 is an equidigital number, since it uses as much as digits as its factorization.

847650137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 847650137 is about 29114.4317650199. The cubic root of 847650137 is about 946.3945097410.

The spelling of 847650137 in words is "eight hundred forty-seven million, six hundred fifty thousand, one hundred thirty-seven".