87473231941 has 2 divisors, whose sum is σ = 87473231942. Its totient is φ = 87473231940.

The previous prime is 87473231897. The next prime is 87473232001. The reversal of 87473231941 is 14913237478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76643707716 + 10829524225 = 276846^2 + 104065^2 .

It is a cyclic number.

It is not a de Polignac number, because 87473231941 - 2⁹ = 87473231429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87473231141) 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 as a sum of consecutive naturals, namely, 43736615970 + 43736615971.

It is an arithmetic number, because the mean of its divisors is an integer number (43736615971).

Almost surely, 2^87473231941 is an apocalyptic number.

It is an amenable number.

87473231941 is a deficient number, since it is larger than the sum of its proper divisors (1).

87473231941 is an equidigital number, since it uses as much as digits as its factorization.

87473231941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The spelling of 87473231941 in words is "eighty-seven billion, four hundred seventy-three million, two hundred thirty-one thousand, nine hundred forty-one".