40587763 has 2 divisors, whose sum is σ = 40587764. Its totient is φ = 40587762.

The previous prime is 40587761. The next prime is 40587787. The reversal of 40587763 is 36778504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40587763 - 2¹ = 40587761 is a prime.

Together with 40587761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40587761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20293881 + 20293882.

It is an arithmetic number, because the mean of its divisors is an integer number (20293882).

Almost surely, 2^40587763 is an apocalyptic number.

40587763 is a deficient number, since it is larger than the sum of its proper divisors (1).

40587763 is an equidigital number, since it uses as much as digits as its factorization.

40587763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 40587763 is about 6370.8526116996. The cubic root of 40587763 is about 343.6621519649.

The spelling of 40587763 in words is "forty million, five hundred eighty-seven thousand, seven hundred sixty-three".