87415959593 has 4 divisors (see below), whose sum is σ = 87650319108. Its totient is φ = 87181600080.

The previous prime is 87415959583. The next prime is 87415959613. The reversal of 87415959593 is 39595951478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39595951478 = 2 ⋅19797975739.

It can be written as a sum of positive squares in 2 ways, for example, as 48359528464 + 39056431129 = 219908^2 + 197627^2 .

It is a cyclic number.

It is not a de Polignac number, because 87415959593 - 2⁶ = 87415959529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87415959583) 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, 117179198 + ... + 117179943.

It is an arithmetic number, because the mean of its divisors is an integer number (21912579777).

Almost surely, 2^87415959593 is an apocalyptic number.

It is an amenable number.

87415959593 is a deficient number, since it is larger than the sum of its proper divisors (234359515).

87415959593 is a wasteful number, since it uses less digits than its factorization.

87415959593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234359514.

The product of its digits is 61236000, while the sum is 65.

The spelling of 87415959593 in words is "eighty-seven billion, four hundred fifteen million, nine hundred fifty-nine thousand, five hundred ninety-three".