835138747 has 2 divisors, whose sum is σ = 835138748. Its totient is φ = 835138746.

The previous prime is 835138699. The next prime is 835138757. The reversal of 835138747 is 747831538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 835138747 - 2²³ = 826750139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 835138697 and 835138706.

It is not a weakly prime, because it can be changed into another prime (835138757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417569373 + 417569374.

It is an arithmetic number, because the mean of its divisors is an integer number (417569374).

Almost surely, 2^835138747 is an apocalyptic number.

835138747 is a deficient number, since it is larger than the sum of its proper divisors (1).

835138747 is an equidigital number, since it uses as much as digits as its factorization.

835138747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 835138747 is about 28898.7672228419. The cubic root of 835138747 is about 941.7151224219.

The spelling of 835138747 in words is "eight hundred thirty-five million, one hundred thirty-eight thousand, seven hundred forty-seven".