78933433 has 2 divisors, whose sum is σ = 78933434. Its totient is φ = 78933432.

The previous prime is 78933383. The next prime is 78933443. The reversal of 78933433 is 33433987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77580864 + 1352569 = 8808^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 78933433 - 2¹³ = 78925241 is a prime.

It is not a weakly prime, because it can be changed into another prime (78933443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39466716 + 39466717.

It is an arithmetic number, because the mean of its divisors is an integer number (39466717).

Almost surely, 2^78933433 is an apocalyptic number.

It is an amenable number.

78933433 is a deficient number, since it is larger than the sum of its proper divisors (1).

78933433 is an equidigital number, since it uses as much as digits as its factorization.

78933433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 78933433 is about 8884.4489418309. The cubic root of 78933433 is about 428.9634905348.

The spelling of 78933433 in words is "seventy-eight million, nine hundred thirty-three thousand, four hundred thirty-three".