33380077 has 2 divisors, whose sum is σ = 33380078. Its totient is φ = 33380076.

The previous prime is 33380071. The next prime is 33380111. The reversal of 33380077 is 77008333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32421636 + 958441 = 5694^2 + 979^2 .

It is an emirp because it is prime and its reverse (77008333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33380077 - 2³ = 33380069 is a prime.

It is a super-2 number, since 2×33380077² = 2228459081051858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33380071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16690038 + 16690039.

It is an arithmetic number, because the mean of its divisors is an integer number (16690039).

Almost surely, 2^33380077 is an apocalyptic number.

It is an amenable number.

33380077 is a deficient number, since it is larger than the sum of its proper divisors (1).

33380077 is an equidigital number, since it uses as much as digits as its factorization.

33380077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 33380077 is about 5777.5493939905. The cubic root of 33380077 is about 321.9801596510.

The spelling of 33380077 in words is "thirty-three million, three hundred eighty thousand, seventy-seven".