87100154 has 8 divisors (see below), whose sum is σ = 133836948. Its totient is φ = 42487840.

The previous prime is 87100141. The next prime is 87100171. The reversal of 87100154 is 45100178.

It can be written as a sum of positive squares in 2 ways, for example, as 79619929 + 7480225 = 8923^2 + 2735^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 531017 + ... + 531180.

Almost surely, 2^87100154 is an apocalyptic number.

87100154 is a deficient number, since it is larger than the sum of its proper divisors (46736794).

87100154 is a wasteful number, since it uses less digits than its factorization.

87100154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062240.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 87100154 is about 9332.7463267786. The cubic root of 87100154 is about 443.2747303522.

The spelling of 87100154 in words is "eighty-seven million, one hundred thousand, one hundred fifty-four".