87441373 has 2 divisors, whose sum is σ = 87441374. Its totient is φ = 87441372.

The previous prime is 87441313. The next prime is 87441391. The reversal of 87441373 is 37314478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73736569 + 13704804 = 8587^2 + 3702^2 .

It is a cyclic number.

It is not a de Polignac number, because 87441373 - 2²¹ = 85344221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87441313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43720686 + 43720687.

It is an arithmetic number, because the mean of its divisors is an integer number (43720687).

Almost surely, 2^87441373 is an apocalyptic number.

It is an amenable number.

87441373 is a deficient number, since it is larger than the sum of its proper divisors (1).

87441373 is an equidigital number, since it uses as much as digits as its factorization.

87441373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 87441373 is about 9351.0091968728. The cubic root of 87441373 is about 443.8528260555.

The spelling of 87441373 in words is "eighty-seven million, four hundred forty-one thousand, three hundred seventy-three".