87528466 has 4 divisors (see below), whose sum is σ = 131292702. Its totient is φ = 43764232.

The previous prime is 87528451. The next prime is 87528487. The reversal of 87528466 is 66482578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66482578 = 2 ⋅33241289.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 33814225 = 7329^2 + 5815^2 .

It is a super-2 number, since 2×87528466² = 15322464720626312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21882115 + ... + 21882118.

Almost surely, 2^87528466 is an apocalyptic number.

87528466 is a deficient number, since it is larger than the sum of its proper divisors (43764236).

87528466 is a wasteful number, since it uses less digits than its factorization.

87528466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43764235.

The product of its digits is 645120, while the sum is 46.

The square root of 87528466 is about 9355.6649149058. The cubic root of 87528466 is about 444.0001386521. Note that the first 3 decimals are identical.

The spelling of 87528466 in words is "eighty-seven million, five hundred twenty-eight thousand, four hundred sixty-six".