40780967 has 2 divisors, whose sum is σ = 40780968. Its totient is φ = 40780966.

The previous prime is 40780921. The next prime is 40780969. The reversal of 40780967 is 76908704.

40780967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40780967 - 2²² = 36586663 is a prime.

Together with 40780969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40780969) 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 as a sum of consecutive naturals, namely, 20390483 + 20390484.

It is an arithmetic number, because the mean of its divisors is an integer number (20390484).

Almost surely, 2^40780967 is an apocalyptic number.

40780967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40780967 is an equidigital number, since it uses as much as digits as its factorization.

40780967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40780967 is about 6385.9977294077. The cubic root of 40780967 is about 344.2065839322.

The spelling of 40780967 in words is "forty million, seven hundred eighty thousand, nine hundred sixty-seven".