33800085971 has 2 divisors, whose sum is σ = 33800085972. Its totient is φ = 33800085970.

The previous prime is 33800085961. The next prime is 33800086007. The reversal of 33800085971 is 17958000833.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33800085971 - 2¹⁴ = 33800069587 is a prime.

It is a super-2 number, since 2×33800085971² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (33800085901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16900042985 + 16900042986.

It is an arithmetic number, because the mean of its divisors is an integer number (16900042986).

Almost surely, 2^33800085971 is an apocalyptic number.

33800085971 is a deficient number, since it is larger than the sum of its proper divisors (1).

33800085971 is an equidigital number, since it uses as much as digits as its factorization.

33800085971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 33800085971 in words is "thirty-three billion, eight hundred million, eighty-five thousand, nine hundred seventy-one".