87552225578 has 4 divisors (see below), whose sum is σ = 131328338370. Its totient is φ = 43776112788.

The previous prime is 87552225557. The next prime is 87552225583.

It is a happy number.

87552225578 is nontrivially palindromic in base 10.

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., 69225293449 + 18326932129 = 263107^2 + 135377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21888056393 + ... + 21888056396.

Almost surely, 2^87552225578 is an apocalyptic number.

87552225578 is a deficient number, since it is larger than the sum of its proper divisors (43776112792).

87552225578 is a wasteful number, since it uses less digits than its factorization.

87552225578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43776112791.

The product of its digits is 15680000, while the sum is 56.

The spelling of 87552225578 in words is "eighty-seven billion, five hundred fifty-two million, two hundred twenty-five thousand, five hundred seventy-eight".