41863687 has 4 divisors (see below), whose sum is σ = 42995176. Its totient is φ = 40732200.

The previous prime is 41863681. The next prime is 41863697. The reversal of 41863687 is 78636814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78636814 = 2 ⋅39318407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41863687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41863681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565689 + ... + 565762.

It is an arithmetic number, because the mean of its divisors is an integer number (10748794).

Almost surely, 2^41863687 is an apocalyptic number.

41863687 is a deficient number, since it is larger than the sum of its proper divisors (1131489).

41863687 is a wasteful number, since it uses less digits than its factorization.

41863687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131488.

The product of its digits is 193536, while the sum is 43.

The square root of 41863687 is about 6470.2153750861. The cubic root of 41863687 is about 347.2262032534.

The spelling of 41863687 in words is "forty-one million, eight hundred sixty-three thousand, six hundred eighty-seven".