61008833867 has 2 divisors, whose sum is σ = 61008833868. Its totient is φ = 61008833866.

The previous prime is 61008833857. The next prime is 61008833881. The reversal of 61008833867 is 76833880016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61008833867 - 2²⁰ = 61007785291 is a prime.

It is a super-2 number, since 2×61008833867² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61008833857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30504416933 + 30504416934.

It is an arithmetic number, because the mean of its divisors is an integer number (30504416934).

Almost surely, 2^61008833867 is an apocalyptic number.

61008833867 is a deficient number, since it is larger than the sum of its proper divisors (1).

61008833867 is an equidigital number, since it uses as much as digits as its factorization.

61008833867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 61008833867 in words is "sixty-one billion, eight million, eight hundred thirty-three thousand, eight hundred sixty-seven".