40937779 has 2 divisors, whose sum is σ = 40937780. Its totient is φ = 40937778.

The previous prime is 40937693. The next prime is 40937797. The reversal of 40937779 is 97773904.

Together with next prime (40937797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40937779 - 2¹⁷ = 40806707 is a prime.

It is not a weakly prime, because it can be changed into another prime (40937179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20468889 + 20468890.

It is an arithmetic number, because the mean of its divisors is an integer number (20468890).

Almost surely, 2^40937779 is an apocalyptic number.

40937779 is a deficient number, since it is larger than the sum of its proper divisors (1).

40937779 is an equidigital number, since it uses as much as digits as its factorization.

40937779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 40937779 is about 6398.2637488619. The cubic root of 40937779 is about 344.6472035912.

The spelling of 40937779 in words is "forty million, nine hundred thirty-seven thousand, seven hundred seventy-nine".