835024907081 has 2 divisors, whose sum is σ = 835024907082. Its totient is φ = 835024907080.

The previous prime is 835024907069. The next prime is 835024907201. The reversal of 835024907081 is 180709420538.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825690255625 + 9334651456 = 908675^2 + 96616^2 .

It is a cyclic number.

It is not a de Polignac number, because 835024907081 - 2²² = 835020712777 is a prime.

It is a super-2 number, since 2×835024907081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (835024907021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417512453540 + 417512453541.

It is an arithmetic number, because the mean of its divisors is an integer number (417512453541).

Almost surely, 2^835024907081 is an apocalyptic number.

It is an amenable number.

835024907081 is a deficient number, since it is larger than the sum of its proper divisors (1).

835024907081 is an equidigital number, since it uses as much as digits as its factorization.

835024907081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 835024907081 in words is "eight hundred thirty-five billion, twenty-four million, nine hundred seven thousand, eighty-one".