71368877 has 2 divisors, whose sum is σ = 71368878. Its totient is φ = 71368876.

The previous prime is 71368867. The next prime is 71368897. The reversal of 71368877 is 77886317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 25210441 = 6794^2 + 5021^2 .

It is an emirp because it is prime and its reverse (77886317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71368877 - 2⁴ = 71368861 is a prime.

It is a super-2 number, since 2×71368877² = 10187033208482258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71368867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35684438 + 35684439.

It is an arithmetic number, because the mean of its divisors is an integer number (35684439).

Almost surely, 2^71368877 is an apocalyptic number.

It is an amenable number.

71368877 is a deficient number, since it is larger than the sum of its proper divisors (1).

71368877 is an equidigital number, since it uses as much as digits as its factorization.

71368877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 47.

The square root of 71368877 is about 8448.0102391036. The cubic root of 71368877 is about 414.7976504211.

The spelling of 71368877 in words is "seventy-one million, three hundred sixty-eight thousand, eight hundred seventy-seven".