87182417 has 12 divisors (see below), whose sum is σ = 102096576. Its totient is φ = 74226600.

The previous prime is 87182413. The next prime is 87182419. The reversal of 87182417 is 71428178.

It is not a de Polignac number, because 87182417 - 2² = 87182413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87182411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1508 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (8508048).

Almost surely, 2^87182417 is an apocalyptic number.

It is an amenable number.

87182417 is a deficient number, since it is larger than the sum of its proper divisors (14914159).

87182417 is a wasteful number, since it uses less digits than its factorization.

87182417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948 (or 11941 counting only the distinct ones).

The product of its digits is 25088, while the sum is 38.

The square root of 87182417 is about 9337.1525102678. The cubic root of 87182417 is about 443.4142388509.

The spelling of 87182417 in words is "eighty-seven million, one hundred eighty-two thousand, four hundred seventeen".