40704887 has 2 divisors, whose sum is σ = 40704888. Its totient is φ = 40704886.

The previous prime is 40704827. The next prime is 40704947. The reversal of 40704887 is 78840704.

It is a balanced prime because it is at equal distance from previous prime (40704827) and next prime (40704947).

It is a cyclic number.

It is not a de Polignac number, because 40704887 - 2¹⁰ = 40703863 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 40704887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40704827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20352443 + 20352444.

It is an arithmetic number, because the mean of its divisors is an integer number (20352444).

Almost surely, 2^40704887 is an apocalyptic number.

40704887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40704887 is an equidigital number, since it uses as much as digits as its factorization.

40704887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 40704887 is about 6380.0381660300. The cubic root of 40704887 is about 343.9924028203.

The spelling of 40704887 in words is "forty million, seven hundred four thousand, eight hundred eighty-seven".