87166433 has 8 divisors (see below), whose sum is σ = 92116320. Its totient is φ = 82252800.

The previous prime is 87166427. The next prime is 87166439. The reversal of 87166433 is 33466178.

It is an interprime number because it is at equal distance from previous prime (87166427) and next prime (87166439).

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 87166433 - 2²² = 82972129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87166439) 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, 4043 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (11514540).

Almost surely, 2^87166433 is an apocalyptic number.

It is an amenable number.

87166433 is a deficient number, since it is larger than the sum of its proper divisors (4949887).

87166433 is a wasteful number, since it uses less digits than its factorization.

87166433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127.

The product of its digits is 72576, while the sum is 38.

The square root of 87166433 is about 9336.2965355648. The cubic root of 87166433 is about 443.3871387137.

The spelling of 87166433 in words is "eighty-seven million, one hundred sixty-six thousand, four hundred thirty-three".