2708047897 has 2 divisors, whose sum is σ = 2708047898. Its totient is φ = 2708047896.

The previous prime is 2708047877. The next prime is 2708047907. The reversal of 2708047897 is 7987408072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1531626496 + 1176421401 = 39136^2 + 34299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2708047897 - 2¹¹ = 2708045849 is a prime.

It is a super-2 number, since 2×2708047897² = 14667046824892245218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2708047817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354023948 + 1354023949.

It is an arithmetic number, because the mean of its divisors is an integer number (1354023949).

Almost surely, 2^2708047897 is an apocalyptic number.

It is an amenable number.

2708047897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2708047897 is an equidigital number, since it uses as much as digits as its factorization.

2708047897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 2708047897 is about 52038.9075308081. The cubic root of 2708047897 is about 1393.8587973225.

The spelling of 2708047897 in words is "two billion, seven hundred eight million, forty-seven thousand, eight hundred ninety-seven".