87207081 has 8 divisors (see below), whose sum is σ = 125220480. Its totient is φ = 53665872.

The previous prime is 87207077. The next prime is 87207097. The reversal of 87207081 is 18070278.

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

It is not a de Polignac number, because 87207081 - 2² = 87207077 is a prime.

It is a super-2 number, since 2×87207081² = 15210149953081122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87207481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118001 + ... + 1118078.

It is an arithmetic number, because the mean of its divisors is an integer number (15652560).

Almost surely, 2^87207081 is an apocalyptic number.

It is an amenable number.

87207081 is a deficient number, since it is larger than the sum of its proper divisors (38013399).

87207081 is a wasteful number, since it uses less digits than its factorization.

87207081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236095.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 87207081 is about 9338.4731621395. The cubic root of 87207081 is about 443.4560490309.

The spelling of 87207081 in words is "eighty-seven million, two hundred seven thousand, eighty-one".