40887867 has 8 divisors (see below), whose sum is σ = 57386560. Its totient is φ = 25823880.

The previous prime is 40887863. The next prime is 40887871. The reversal of 40887867 is 76878804.

It is an interprime number because it is at equal distance from previous prime (40887863) and next prime (40887871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40887867 - 2² = 40887863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40887863) 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 in 7 ways as a sum of consecutive naturals, for example, 358609 + ... + 358722.

It is an arithmetic number, because the mean of its divisors is an integer number (7173320).

Almost surely, 2^40887867 is an apocalyptic number.

40887867 is a deficient number, since it is larger than the sum of its proper divisors (16498693).

40887867 is a wasteful number, since it uses less digits than its factorization.

40887867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717353.

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 40887867 is about 6394.3621261233. The cubic root of 40887867 is about 344.5070801536.

The spelling of 40887867 in words is "forty million, eight hundred eighty-seven thousand, eight hundred sixty-seven".