87231441047 has 2 divisors, whose sum is σ = 87231441048. Its totient is φ = 87231441046.

The previous prime is 87231441019. The next prime is 87231441071. The reversal of 87231441047 is 74014413278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87231441047 - 2⁶ = 87231440983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87231440995 and 87231441013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87231441007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43615720523 + 43615720524.

It is an arithmetic number, because the mean of its divisors is an integer number (43615720524).

Almost surely, 2^87231441047 is an apocalyptic number.

87231441047 is a deficient number, since it is larger than the sum of its proper divisors (1).

87231441047 is an equidigital number, since it uses as much as digits as its factorization.

87231441047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 87231441047 in words is "eighty-seven billion, two hundred thirty-one million, four hundred forty-one thousand, forty-seven".