87118450 has 12 divisors (see below), whose sum is σ = 162040410. Its totient is φ = 34847360.

The previous prime is 87118429. The next prime is 87118511. The reversal of 87118450 is 5481178.

It can be written as a sum of positive squares in 3 ways, for example, as 81703521 + 5414929 = 9039^2 + 2327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 871135 + ... + 871234.

Almost surely, 2^87118450 is an apocalyptic number.

87118450 is a deficient number, since it is larger than the sum of its proper divisors (74921960).

87118450 is a wasteful number, since it uses less digits than its factorization.

87118450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742381 (or 1742376 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 87118450 is about 9333.7264798150. The cubic root of 87118450 is about 443.3057658375.

It can be divided in two parts, 8711 and 8450, that added together give a square (17161 = 131²).

The spelling of 87118450 in words is "eighty-seven million, one hundred eighteen thousand, four hundred fifty".