63541877 has 12 divisors (see below), whose sum is σ = 74600460. Its totient is φ = 53960256.

The previous prime is 63541873. The next prime is 63541883. The reversal of 63541877 is 77814536.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 6599761 = 7546^2 + 2569^2 .

It is not a de Polignac number, because 63541877 - 2² = 63541873 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 (63541873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (6216705).

Almost surely, 2^63541877 is an apocalyptic number.

It is an amenable number.

63541877 is a deficient number, since it is larger than the sum of its proper divisors (11058583).

63541877 is a wasteful number, since it uses less digits than its factorization.

63541877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020 (or 12013 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 63541877 is about 7971.3158888605. The cubic root of 63541877 is about 399.0432906758.

The spelling of 63541877 in words is "sixty-three million, five hundred forty-one thousand, eight hundred seventy-seven".