87480154 has 4 divisors (see below), whose sum is σ = 131220234. Its totient is φ = 43740076.

The previous prime is 87480149. The next prime is 87480179. The reversal of 87480154 is 45108478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45108478 = 2 ⋅22554239.

It can be written as a sum of positive squares in only one way, i.e., 59675625 + 27804529 = 7725^2 + 5273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21870037 + ... + 21870040.

Almost surely, 2^87480154 is an apocalyptic number.

87480154 is a deficient number, since it is larger than the sum of its proper divisors (43740080).

87480154 is a wasteful number, since it uses less digits than its factorization.

87480154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43740079.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 87480154 is about 9353.0825934555. The cubic root of 87480154 is about 443.9184338709.

The spelling of 87480154 in words is "eighty-seven million, four hundred eighty thousand, one hundred fifty-four".