87598009738 has 16 divisors (see below), whose sum is σ = 132585896520. Its totient is φ = 43402863616.

The previous prime is 87598009699. The next prime is 87598009769. The reversal of 87598009738 is 83790089578.

It can be written as a sum of positive squares in 4 ways, for example, as 86761469809 + 836539929 = 294553^2 + 28923^2 .

It is a super-2 number, since 2×87598009738² (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 87598009738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202418 + ... + 1273186.

Almost surely, 2^87598009738 is an apocalyptic number.

87598009738 is a deficient number, since it is larger than the sum of its proper divisors (44987886782).

87598009738 is a wasteful number, since it uses less digits than its factorization.

87598009738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76361.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 87598009738 in words is "eighty-seven billion, five hundred ninety-eight million, nine thousand, seven hundred thirty-eight".