87527945 has 8 divisors (see below), whose sum is σ = 108655560. Its totient is φ = 67607680.

The previous prime is 87527939. The next prime is 87527953. The reversal of 87527945 is 54972578.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8904256 + 78623689 = 2984^2 + 8867^2 .

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

It is not a de Polignac number, because 87527945 - 2¹⁴ = 87511561 is a prime.

It is a super-2 number, since 2×87527945² = 15322282311846050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87527945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301676 + ... + 301965.

It is an arithmetic number, because the mean of its divisors is an integer number (13581945).

Almost surely, 2^87527945 is an apocalyptic number.

It is an amenable number.

87527945 is a deficient number, since it is larger than the sum of its proper divisors (21127615).

87527945 is a wasteful number, since it uses less digits than its factorization.

87527945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603675.

The product of its digits is 705600, while the sum is 47.

The square root of 87527945 is about 9355.6370707718. The cubic root of 87527945 is about 443.9992577024. Note that the first 3 decimals are identical.

The spelling of 87527945 in words is "eighty-seven million, five hundred twenty-seven thousand, nine hundred forty-five".