87389756485161 has 16 divisors (see below), whose sum is σ = 126655463035584. Its totient is φ = 53275710636864.

The previous prime is 87389756485159. The next prime is 87389756485169. The reversal of 87389756485161 is 16158465798378.

87389756485161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 87389756485161 - 2¹ = 87389756485159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87389756485169) 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, 10470850906 + ... + 10470859251.

It is an arithmetic number, because the mean of its divisors is an integer number (7915966439724).

Almost surely, 2^{87389756485161} is an apocalyptic number.

It is an amenable number.

87389756485161 is a deficient number, since it is larger than the sum of its proper divisors (39265706550423).

87389756485161 is a wasteful number, since it uses less digits than its factorization.

87389756485161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20941710280.

The product of its digits is 2438553600, while the sum is 78.

The spelling of 87389756485161 in words is "eighty-seven trillion, three hundred eighty-nine billion, seven hundred fifty-six million, four hundred eighty-five thousand, one hundred sixty-one".