715827881 has 2 divisors, whose sum is σ = 715827882. Its totient is φ = 715827880.

The previous prime is 715827829. The next prime is 715827883. The reversal of 715827881 is 188728517.

715827881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372837481 + 342990400 = 19309^2 + 18520^2 .

It is a cyclic number.

It is not a de Polignac number, because 715827881 - 2⁶ = 715827817 is a prime.

It is a super-2 number, since 2×715827881² = 1024819110433900322, which contains 22 as substring.

Together with 715827883, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 4.

It is not a weakly prime, because it can be changed into another prime (715827883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357913940 + 357913941.

It is an arithmetic number, because the mean of its divisors is an integer number (357913941).

Almost surely, 2^715827881 is an apocalyptic number.

It is an amenable number.

715827881 is a deficient number, since it is larger than the sum of its proper divisors (1).

715827881 is an equidigital number, since it uses as much as digits as its factorization.

715827881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 47.

The square root of 715827881 is about 26754.9599326929. The cubic root of 715827881 is about 894.5463951957.

The spelling of 715827881 in words is "seven hundred fifteen million, eight hundred twenty-seven thousand, eight hundred eighty-one".