87331941 has 24 divisors (see below), whose sum is σ = 134146584. Its totient is φ = 54558720.

The previous prime is 87331939. The next prime is 87331987. The reversal of 87331941 is 14913378.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58752225 + 28579716 = 7665^2 + 5346^2 .

It is not a de Polignac number, because 87331941 - 2¹ = 87331939 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87331896 and 87331905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87330941) 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, 38211 + ... + 40431.

It is an arithmetic number, because the mean of its divisors is an integer number (5589441).

Almost surely, 2^87331941 is an apocalyptic number.

It is an amenable number.

87331941 is a deficient number, since it is larger than the sum of its proper divisors (46814643).

87331941 is a wasteful number, since it uses less digits than its factorization.

87331941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2498 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 87331941 is about 9345.1560179593. The cubic root of 87331941 is about 443.6675896423.

It can be divided in two parts, 8733 and 1941, that multiplied together give a triangular number (16950753 = T₅₈₂₂).

The spelling of 87331941 in words is "eighty-seven million, three hundred thirty-one thousand, nine hundred forty-one".