87385863319 has 4 divisors (see below), whose sum is σ = 87843381120. Its totient is φ = 86928345520.

The previous prime is 87385863307. The next prime is 87385863343. The reversal of 87385863319 is 91336858378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91336858378 = 2 ⋅45668429189.

It is a cyclic number.

It is not a de Polignac number, because 87385863319 - 2¹¹ = 87385861271 is a prime.

It is a super-2 number, since 2×87385863319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87385863379) 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, 228758614 + ... + 228758995.

It is an arithmetic number, because the mean of its divisors is an integer number (21960845280).

Almost surely, 2^87385863319 is an apocalyptic number.

87385863319 is a deficient number, since it is larger than the sum of its proper divisors (457517801).

87385863319 is a wasteful number, since it uses less digits than its factorization.

87385863319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457517800.

The product of its digits is 26127360, while the sum is 61.

The spelling of 87385863319 in words is "eighty-seven billion, three hundred eighty-five million, eight hundred sixty-three thousand, three hundred nineteen".