87313941 has 24 divisors (see below), whose sum is σ = 148171296. Its totient is φ = 48846240.

The previous prime is 87313939. The next prime is 87313943. The reversal of 87313941 is 14931378.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87313939) and next prime (87313943).

It is not a de Polignac number, because 87313941 - 2¹ = 87313939 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87313896 and 87313905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87313943) 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, 32635 + ... + 35208.

It is an arithmetic number, because the mean of its divisors is an integer number (6173804).

Almost surely, 2^87313941 is an apocalyptic number.

It is an amenable number.

87313941 is a deficient number, since it is larger than the sum of its proper divisors (60857355).

87313941 is a wasteful number, since it uses less digits than its factorization.

87313941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67873 (or 67870 counting only the distinct ones).

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

The square root of 87313941 is about 9344.1929025465. The cubic root of 87313941 is about 443.6371060825.

It can be divided in two parts, 87 and 313941, that added together give a triangular number (314028 = T₇₉₂).

The spelling of 87313941 in words is "eighty-seven million, three hundred thirteen thousand, nine hundred forty-one".