87625826 has 4 divisors (see below), whose sum is σ = 131438742. Its totient is φ = 43812912.

The previous prime is 87625817. The next prime is 87625841. The reversal of 87625826 is 62852678.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 41589601 = 6785^2 + 6449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21906455 + ... + 21906458.

Almost surely, 2^87625826 is an apocalyptic number.

87625826 is a deficient number, since it is larger than the sum of its proper divisors (43812916).

87625826 is a wasteful number, since it uses less digits than its factorization.

87625826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43812915.

The product of its digits is 322560, while the sum is 44.

The square root of 87625826 is about 9360.8667333746. The cubic root of 87625826 is about 444.1647016321.

The spelling of 87625826 in words is "eighty-seven million, six hundred twenty-five thousand, eight hundred twenty-six".