87528882578 has 8 divisors (see below), whose sum is σ = 131295310668. Its totient is φ = 43763779024.

The previous prime is 87528882563. The next prime is 87528882601.

87528882578 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 87505330969 + 23551609 = 295813^2 + 4853^2 .

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

It is a super-2 number, since 2×87528882578² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145001 + ... + 442812.

Almost surely, 2^87528882578 is an apocalyptic number.

87528882578 is a deficient number, since it is larger than the sum of its proper divisors (43766428090).

87528882578 is a wasteful number, since it uses less digits than its factorization.

87528882578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662268.

The product of its digits is 160563200, while the sum is 68.

The spelling of 87528882578 in words is "eighty-seven billion, five hundred twenty-eight million, eight hundred eighty-two thousand, five hundred seventy-eight".