41787891 has 24 divisors (see below), whose sum is σ = 61580064. Its totient is φ = 27302400.

The previous prime is 41787881. The next prime is 41787899. The reversal of 41787891 is 19878714.

It is not a de Polignac number, because 41787891 - 2⁶ = 41787827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41787899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131665 + ... + 131981.

It is an arithmetic number, because the mean of its divisors is an integer number (2565836).

Almost surely, 2^41787891 is an apocalyptic number.

41787891 is a deficient number, since it is larger than the sum of its proper divisors (19792173).

41787891 is a wasteful number, since it uses less digits than its factorization.

41787891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 41787891 is about 6464.3554203029. The cubic root of 41787891 is about 347.0165206805.

The spelling of 41787891 in words is "forty-one million, seven hundred eighty-seven thousand, eight hundred ninety-one".