87952181 has 8 divisors (see below), whose sum is σ = 90668160. Its totient is φ = 85271488.

The previous prime is 87952171. The next prime is 87952211. The reversal of 87952181 is 18125978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87952181 - 2¹⁴ = 87935797 is a prime.

It is a super-2 number, since 2×87952181² = 15471172285313522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87952171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (11333520).

Almost surely, 2^87952181 is an apocalyptic number.

It is an amenable number.

87952181 is a deficient number, since it is larger than the sum of its proper divisors (2715979).

87952181 is a wasteful number, since it uses less digits than its factorization.

87952181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17643.

The product of its digits is 40320, while the sum is 41.

The square root of 87952181 is about 9378.2824120411. The cubic root of 87952181 is about 444.7154364677.

The spelling of 87952181 in words is "eighty-seven million, nine hundred fifty-two thousand, one hundred eighty-one".