87871523041 has 2 divisors, whose sum is σ = 87871523042. Its totient is φ = 87871523040.

The previous prime is 87871523017. The next prime is 87871523063. The reversal of 87871523041 is 14032517878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70820386641 + 17051136400 = 266121^2 + 130580^2 .

It is a cyclic number.

It is not a de Polignac number, because 87871523041 - 2¹⁹ = 87870998753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87871522982 and 87871523000.

It is not a weakly prime, because it can be changed into another prime (87871523071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43935761520 + 43935761521.

It is an arithmetic number, because the mean of its divisors is an integer number (43935761521).

Almost surely, 2^87871523041 is an apocalyptic number.

It is an amenable number.

87871523041 is a deficient number, since it is larger than the sum of its proper divisors (1).

87871523041 is an equidigital number, since it uses as much as digits as its factorization.

87871523041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 87871523041 in words is "eighty-seven billion, eight hundred seventy-one million, five hundred twenty-three thousand, forty-one".