87980233141 has 4 divisors (see below), whose sum is σ = 88016278284. Its totient is φ = 87944188000.

The previous prime is 87980233079. The next prime is 87980233157. The reversal of 87980233141 is 14133208978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49153107025 + 38827126116 = 221705^2 + 197046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87980233141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87980233091 and 87980233100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87980237141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18018910 + ... + 18023791.

It is an arithmetic number, because the mean of its divisors is an integer number (22004069571).

Almost surely, 2^87980233141 is an apocalyptic number.

It is an amenable number.

87980233141 is a deficient number, since it is larger than the sum of its proper divisors (36045143).

87980233141 is a wasteful number, since it uses less digits than its factorization.

87980233141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36045142.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 87980233141 in words is "eighty-seven billion, nine hundred eighty million, two hundred thirty-three thousand, one hundred forty-one".