78265033 has 16 divisors (see below), whose sum is σ = 98334720. Its totient is φ = 60512400.

The previous prime is 78265007. The next prime is 78265039. The reversal of 78265033 is 33056287.

It is a cyclic number.

It is not a de Polignac number, because 78265033 - 2⁹ = 78264521 is a prime.

It is a super-2 number, since 2×78265033² = 12250830780982178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78265033.

It is not an unprimeable number, because it can be changed into a prime (78265039) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6208 + ... + 13966.

It is an arithmetic number, because the mean of its divisors is an integer number (6145920).

Almost surely, 2^78265033 is an apocalyptic number.

It is an amenable number.

78265033 is a deficient number, since it is larger than the sum of its proper divisors (20069687).

78265033 is a wasteful number, since it uses less digits than its factorization.

78265033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 78265033 is about 8846.7526810689. The cubic root of 78265033 is about 427.7492508153.

The spelling of 78265033 in words is "seventy-eight million, two hundred sixty-five thousand, thirty-three".