87526228 has 6 divisors (see below), whose sum is σ = 153170906. Its totient is φ = 43763112.

The previous prime is 87526223. The next prime is 87526253. The reversal of 87526228 is 82262578.

It can be written as a sum of positive squares in only one way, i.e., 86638864 + 887364 = 9308^2 + 942^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87526223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10940775 + ... + 10940782.

Almost surely, 2^87526228 is an apocalyptic number.

It is an amenable number.

87526228 is a deficient number, since it is larger than the sum of its proper divisors (65644678).

87526228 is a wasteful number, since it uses less digits than its factorization.

87526228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881561 (or 21881559 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 87526228 is about 9355.5453074634. The cubic root of 87526228 is about 443.9963544326.

The spelling of 87526228 in words is "eighty-seven million, five hundred twenty-six thousand, two hundred twenty-eight".