40876987 has 2 divisors, whose sum is σ = 40876988. Its totient is φ = 40876986.

The previous prime is 40876973. The next prime is 40877009. The reversal of 40876987 is 78967804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40876987 - 2¹⁹ = 40352699 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 40876987.

It is not a weakly prime, because it can be changed into another prime (40876937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20438493 + 20438494.

It is an arithmetic number, because the mean of its divisors is an integer number (20438494).

Almost surely, 2^40876987 is an apocalyptic number.

40876987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40876987 is an equidigital number, since it uses as much as digits as its factorization.

40876987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 40876987 is about 6393.5113200807. The cubic root of 40876987 is about 344.4765203990.

The spelling of 40876987 in words is "forty million, eight hundred seventy-six thousand, nine hundred eighty-seven".