40778327 has 2 divisors, whose sum is σ = 40778328. Its totient is φ = 40778326.

The previous prime is 40778293. The next prime is 40778341. The reversal of 40778327 is 72387704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40778327 - 2¹⁴ = 40761943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40778347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20389163 + 20389164.

It is an arithmetic number, because the mean of its divisors is an integer number (20389164).

Almost surely, 2^40778327 is an apocalyptic number.

40778327 is a deficient number, since it is larger than the sum of its proper divisors (1).

40778327 is an equidigital number, since it uses as much as digits as its factorization.

40778327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 40778327 is about 6385.7910238278. The cubic root of 40778327 is about 344.1991562434.

The spelling of 40778327 in words is "forty million, seven hundred seventy-eight thousand, three hundred twenty-seven".