41787781875 has 240 divisors, whose sum is σ = 91092466080. Its totient is φ = 18869760000.

The previous prime is 41787781873. The next prime is 41787781877. The reversal of 41787781875 is 57818778714.

41787781875 is a `hidden beast` number, since 417 + 8 + 77 + 81 + 8 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (41787781873) and next prime (41787781877).

It is not a de Polignac number, because 41787781875 - 2¹ = 41787781873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (41787781873) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 80206615 + ... + 80207135.

It is an arithmetic number, because the mean of its divisors is an integer number (379551942).

Almost surely, 2^41787781875 is an apocalyptic number.

41787781875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

41787781875 is an abundant number, since it is smaller than the sum of its proper divisors (49304684205).

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

41787781875 is an equidigital number, since it uses as much as digits as its factorization.

41787781875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 633 counting only the distinct ones).

The product of its digits is 24586240, while the sum is 63.

The spelling of 41787781875 in words is "forty-one billion, seven hundred eighty-seven million, seven hundred eighty-one thousand, eight hundred seventy-five".