41871978 has 20 divisors (see below), whose sum is σ = 93824610. Its totient is φ = 13957272.

The previous prime is 41871959. The next prime is 41872007. The reversal of 41871978 is 87917814.

It can be written as a sum of positive squares in only one way, i.e., 36687249 + 5184729 = 6057^2 + 2277^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129073 + ... + 129396.

Almost surely, 2^41871978 is an apocalyptic number.

41871978 is an abundant number, since it is smaller than the sum of its proper divisors (51952632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41871978 is a wasteful number, since it uses less digits than its factorization.

41871978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258483 (or 258474 counting only the distinct ones).

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

The square root of 41871978 is about 6470.8560484684. The cubic root of 41871978 is about 347.2491241715.

It can be divided in two parts, 41871 and 978, that added together give a square (42849 = 207²).

The spelling of 41871978 in words is "forty-one million, eight hundred seventy-one thousand, nine hundred seventy-eight".