78982533 has 48 divisors (see below), whose sum is σ = 137679360. Its totient is φ = 44311536.

The previous prime is 78982517. The next prime is 78982559. The reversal of 78982533 is 33528987.

It is not a de Polignac number, because 78982533 - 2⁴ = 78982517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78982583) 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 47 ways as a sum of consecutive naturals, for example, 99966 + ... + 100752.

It is an arithmetic number, because the mean of its divisors is an integer number (2868320).

Almost surely, 2^78982533 is an apocalyptic number.

It is an amenable number.

78982533 is a deficient number, since it is larger than the sum of its proper divisors (58696827).

78982533 is an equidigital number, since it uses as much as digits as its factorization.

78982533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 856 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 78982533 is about 8887.2117674780. The cubic root of 78982533 is about 429.0524166967.

The spelling of 78982533 in words is "seventy-eight million, nine hundred eighty-two thousand, five hundred thirty-three".