87130203178 has 8 divisors (see below), whose sum is σ = 131417378820. Its totient is φ = 43324410240.

The previous prime is 87130203137. The next prime is 87130203191.

87130203178 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 86640156409 + 490046769 = 294347^2 + 22137^2 .

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

It is a super-2 number, since 2×87130203178² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87130203178.

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, 120345223 + ... + 120345946.

Almost surely, 2^87130203178 is an apocalyptic number.

87130203178 is a deficient number, since it is larger than the sum of its proper divisors (44287175642).

87130203178 is a wasteful number, since it uses less digits than its factorization.

87130203178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240691352.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 87130203178 in words is "eighty-seven billion, one hundred thirty million, two hundred three thousand, one hundred seventy-eight".