40647087 has 12 divisors (see below), whose sum is σ = 63228984. Its totient is φ = 25013520.

The previous prime is 40647077. The next prime is 40647097. The reversal of 40647087 is 78074604.

It is a happy number.

40647087 is a `hidden beast` number, since 4 + 0 + 647 + 0 + 8 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (40647077) and next prime (40647097).

It is not a de Polignac number, because 40647087 - 2⁴ = 40647071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40647077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173589 + ... + 173822.

It is an arithmetic number, because the mean of its divisors is an integer number (5269082).

Almost surely, 2^40647087 is an apocalyptic number.

40647087 is a deficient number, since it is larger than the sum of its proper divisors (22581897).

40647087 is a wasteful number, since it uses less digits than its factorization.

40647087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347430 (or 347427 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 40647087 is about 6375.5068033843. The cubic root of 40647087 is about 343.8295052684.

The spelling of 40647087 in words is "forty million, six hundred forty-seven thousand, eighty-seven".