40877009 has 2 divisors, whose sum is σ = 40877010. Its totient is φ = 40877008.

The previous prime is 40876987. The next prime is 40877017. The reversal of 40877009 is 90077804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22771984 + 18105025 = 4772^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 40877009 - 2¹⁶ = 40811473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40877009.

It is not a weakly prime, because it can be changed into another prime (40877069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20438504 + 20438505.

It is an arithmetic number, because the mean of its divisors is an integer number (20438505).

Almost surely, 2^40877009 is an apocalyptic number.

It is an amenable number.

40877009 is a deficient number, since it is larger than the sum of its proper divisors (1).

40877009 is an equidigital number, since it uses as much as digits as its factorization.

40877009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 40877009 is about 6393.5130405748. The cubic root of 40877009 is about 344.4765821981.

The spelling of 40877009 in words is "forty million, eight hundred seventy-seven thousand, nine".