87427541 has 2 divisors, whose sum is σ = 87427542. Its totient is φ = 87427540.

The previous prime is 87427517. The next prime is 87427591. The reversal of 87427541 is 14572478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 5041 = 9350^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 87427541 - 2⁶ = 87427477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 87427495 and 87427504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87427591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43713770 + 43713771.

It is an arithmetic number, because the mean of its divisors is an integer number (43713771).

Almost surely, 2^87427541 is an apocalyptic number.

It is an amenable number.

87427541 is a deficient number, since it is larger than the sum of its proper divisors (1).

87427541 is an equidigital number, since it uses as much as digits as its factorization.

87427541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 87427541 is about 9350.2695683066. The cubic root of 87427541 is about 443.8294210554.

The spelling of 87427541 in words is "eighty-seven million, four hundred twenty-seven thousand, five hundred forty-one".