87637941 has 48 divisors (see below), whose sum is σ = 139888944. Its totient is φ = 52641792.

The previous prime is 87637933. The next prime is 87637967. The reversal of 87637941 is 14973678.

87637941 is a `hidden beast` number, since 8 + 7 + 637 + 9 + 4 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 756900 + 86881041 = 870^2 + 9321^2 .

It is not a de Polignac number, because 87637941 - 2³ = 87637933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87637841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 639625 + ... + 639761.

It is an arithmetic number, because the mean of its divisors is an integer number (2914353).

Almost surely, 2^87637941 is an apocalyptic number.

It is an amenable number.

87637941 is a deficient number, since it is larger than the sum of its proper divisors (52251003).

87637941 is a wasteful number, since it uses less digits than its factorization.

87637941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 307 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 87637941 is about 9361.5138198905. The cubic root of 87637941 is about 444.1851705115.

The spelling of 87637941 in words is "eighty-seven million, six hundred thirty-seven thousand, nine hundred forty-one".