87366518593 has 16 divisors (see below), whose sum is σ = 88273152000. Its totient is φ = 86466100672.

The previous prime is 87366518579. The next prime is 87366518611. The reversal of 87366518593 is 39581566378.

It is not a de Polignac number, because 87366518593 - 2⁹ = 87366518081 is a prime.

It is a super-2 number, since 2×87366518593² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87366512593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30793971 + ... + 30796807.

It is an arithmetic number, because the mean of its divisors is an integer number (5517072000).

Almost surely, 2^87366518593 is an apocalyptic number.

It is an amenable number.

87366518593 is a deficient number, since it is larger than the sum of its proper divisors (906633407).

87366518593 is a wasteful number, since it uses less digits than its factorization.

87366518593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824.

The product of its digits is 32659200, while the sum is 61.

The spelling of 87366518593 in words is "eighty-seven billion, three hundred sixty-six million, five hundred eighteen thousand, five hundred ninety-three".