87449855296 has 28 divisors (see below), whose sum is σ = 173543302900. Its totient is φ = 43722408960.

The previous prime is 87449855287. The next prime is 87449855299. The reversal of 87449855296 is 69255894478.

It can be written as a sum of positive squares in 2 ways, for example, as 22596102400 + 64853752896 = 150320^2 + 254664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87449855299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627906 + ... + 1680766.

Almost surely, 2^87449855296 is an apocalyptic number.

It is an amenable number.

87449855296 is a deficient number, since it is larger than the sum of its proper divisors (86093447604).

87449855296 is a wasteful number, since it uses less digits than its factorization.

87449855296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78722 (or 78712 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 67.

The spelling of 87449855296 in words is "eighty-seven billion, four hundred forty-nine million, eight hundred fifty-five thousand, two hundred ninety-six".