87166654 has 8 divisors (see below), whose sum is σ = 130803120. Its totient is φ = 43565616.

The previous prime is 87166631. The next prime is 87166657. The reversal of 87166654 is 45666178.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87166654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87166657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (16350390).

Almost surely, 2^87166654 is an apocalyptic number.

87166654 is a deficient number, since it is larger than the sum of its proper divisors (43636466).

87166654 is a wasteful number, since it uses less digits than its factorization.

87166654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17714.

The product of its digits is 241920, while the sum is 43.

The square root of 87166654 is about 9336.3083710854. The cubic root of 87166654 is about 443.3875134316.

The spelling of 87166654 in words is "eighty-seven million, one hundred sixty-six thousand, six hundred fifty-four".