87372380161 has 16 divisors (see below), whose sum is σ = 96983971200. Its totient is φ = 78041750400.

The previous prime is 87372380159. The next prime is 87372380191. The reversal of 87372380161 is 16108327378.

It is a cyclic number.

It is not a de Polignac number, because 87372380161 - 2¹ = 87372380159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87372380191) 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, 545805 + ... + 687493.

It is an arithmetic number, because the mean of its divisors is an integer number (6061498200).

Almost surely, 2^87372380161 is an apocalyptic number.

It is an amenable number.

87372380161 is a deficient number, since it is larger than the sum of its proper divisors (9611591039).

87372380161 is a wasteful number, since it uses less digits than its factorization.

87372380161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142680.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 87372380161 in words is "eighty-seven billion, three hundred seventy-two million, three hundred eighty thousand, one hundred sixty-one".