33080978 has 30 divisors (see below), whose sum is σ = 58594119. Its totient is φ = 14006748.

The previous prime is 33080953. The next prime is 33080981. The reversal of 33080978 is 87908033.

It can be written as a sum of positive squares in only one way, i.e., 16540489 + 16540489 = 4067^2 + 4067^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4067.

It is a super-2 number, since 2×33080978² = 2188702210872968, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 398525 + ... + 398607.

Almost surely, 2^33080978 is an apocalyptic number.

33080978 is a deficient number, since it is larger than the sum of its proper divisors (25513141).

33080978 is an frugal number, since it uses more digits than its factorization.

33080978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 33080978 is about 5751.6065581714. The cubic root of 33080978 is about 321.0155820375.

The spelling of 33080978 in words is "thirty-three million, eighty thousand, nine hundred seventy-eight".