87377141 has 2 divisors, whose sum is σ = 87377142. Its totient is φ = 87377140.

The previous prime is 87377117. The next prime is 87377167. The reversal of 87377141 is 14177378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 42954916 = 6665^2 + 6554^2 .

It is a cyclic number.

It is not a de Polignac number, because 87377141 - 2⁶ = 87377077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87377095 and 87377104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87377041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43688570 + 43688571.

It is an arithmetic number, because the mean of its divisors is an integer number (43688571).

Almost surely, 2^87377141 is an apocalyptic number.

It is an amenable number.

87377141 is a deficient number, since it is larger than the sum of its proper divisors (1).

87377141 is an equidigital number, since it uses as much as digits as its factorization.

87377141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 38.

The square root of 87377141 is about 9347.5740703136. The cubic root of 87377141 is about 443.7441187874.

The spelling of 87377141 in words is "eighty-seven million, three hundred seventy-seven thousand, one hundred forty-one".