708089881 has 2 divisors, whose sum is σ = 708089882. Its totient is φ = 708089880.

The previous prime is 708089873. The next prime is 708089917. The reversal of 708089881 is 188980807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615833856 + 92256025 = 24816^2 + 9605^2 .

It is a cyclic number.

It is not a de Polignac number, because 708089881 - 2³ = 708089873 is a prime.

It is a super-2 number, since 2×708089881² = 1002782559149188322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (708089821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354044940 + 354044941.

It is an arithmetic number, because the mean of its divisors is an integer number (354044941).

Almost surely, 2^708089881 is an apocalyptic number.

It is an amenable number.

708089881 is a deficient number, since it is larger than the sum of its proper divisors (1).

708089881 is an equidigital number, since it uses as much as digits as its factorization.

708089881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 708089881 is about 26609.9583051158. The cubic root of 708089881 is about 891.3114029954.

The spelling of 708089881 in words is "seven hundred eight million, eighty-nine thousand, eight hundred eighty-one".