87377113 has 2 divisors, whose sum is σ = 87377114. Its totient is φ = 87377112.

The previous prime is 87377107. The next prime is 87377117. The reversal of 87377113 is 31177378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56430144 + 30946969 = 7512^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 87377113 - 2¹³ = 87368921 is a prime.

It is not a weakly prime, because it can be changed into another prime (87377117) 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, 43688556 + 43688557.

It is an arithmetic number, because the mean of its divisors is an integer number (43688557).

Almost surely, 2^87377113 is an apocalyptic number.

It is an amenable number.

87377113 is a deficient number, since it is larger than the sum of its proper divisors (1).

87377113 is an equidigital number, since it uses as much as digits as its factorization.

87377113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 87377113 is about 9347.5725725987. The cubic root of 87377113 is about 443.7440713881.

The spelling of 87377113 in words is "eighty-seven million, three hundred seventy-seven thousand, one hundred thirteen".