87653371181 has 8 divisors (see below), whose sum is σ = 89302014240. Its totient is φ = 86010161328.

The previous prime is 87653371111. The next prime is 87653371297. The reversal of 87653371181 is 18117335678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87653371181 - 2²² = 87649176877 is a prime.

It is a super-2 number, since 2×87653371181² (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 (87653371111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325726 + ... + 1390271.

It is an arithmetic number, because the mean of its divisors is an integer number (11162751780).

Almost surely, 2^87653371181 is an apocalyptic number.

It is an amenable number.

87653371181 is a deficient number, since it is larger than the sum of its proper divisors (1648643059).

87653371181 is a wasteful number, since it uses less digits than its factorization.

87653371181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716603.

The product of its digits is 846720, while the sum is 50.

The spelling of 87653371181 in words is "eighty-seven billion, six hundred fifty-three million, three hundred seventy-one thousand, one hundred eighty-one".