80278033 has 12 divisors (see below), whose sum is σ = 89682768. Its totient is φ = 71264760.

The previous prime is 80278019. The next prime is 80278039. The reversal of 80278033 is 33087208.

It is not a de Polignac number, because 80278033 - 2⁵ = 80278001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80277986 and 80278004.

It is not an unprimeable number, because it can be changed into a prime (80278039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18366 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (7473564).

Almost surely, 2^80278033 is an apocalyptic number.

It is an amenable number.

80278033 is a deficient number, since it is larger than the sum of its proper divisors (9404735).

80278033 is a wasteful number, since it uses less digits than its factorization.

80278033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 80278033 is about 8959.8009464496. The cubic root of 80278033 is about 431.3855307966.

The spelling of 80278033 in words is "eighty million, two hundred seventy-eight thousand, thirty-three".