71113877 has 2 divisors, whose sum is σ = 71113878. Its totient is φ = 71113876.

The previous prime is 71113849. The next prime is 71113883. The reversal of 71113877 is 77831117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 1240996 = 8359^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 71113877 - 2¹⁴ = 71097493 is a prime.

It is a super-2 number, since 2×71113877² = 10114367003942258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71113807) 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, 35556938 + 35556939.

It is an arithmetic number, because the mean of its divisors is an integer number (35556939).

Almost surely, 2^71113877 is an apocalyptic number.

It is an amenable number.

71113877 is a deficient number, since it is larger than the sum of its proper divisors (1).

71113877 is an equidigital number, since it uses as much as digits as its factorization.

71113877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 35.

The square root of 71113877 is about 8432.9044225581. The cubic root of 71113877 is about 414.3030388033.

The spelling of 71113877 in words is "seventy-one million, one hundred thirteen thousand, eight hundred seventy-seven".