5811478697 has 2 divisors, whose sum is σ = 5811478698. Its totient is φ = 5811478696.

The previous prime is 5811478663. The next prime is 5811478709. The reversal of 5811478697 is 7968741185.

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., 5548909081 + 262569616 = 74491^2 + 16204^2 .

It is a cyclic number.

It is not a de Polignac number, because 5811478697 - 2²⁶ = 5744369833 is a prime.

It is not a weakly prime, because it can be changed into another prime (5811478637) 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, 2905739348 + 2905739349.

It is an arithmetic number, because the mean of its divisors is an integer number (2905739349).

Almost surely, 2^5811478697 is an apocalyptic number.

It is an amenable number.

5811478697 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811478697 is an equidigital number, since it uses as much as digits as its factorization.

5811478697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 56.

The square root of 5811478697 is about 76233.0551467013. The cubic root of 5811478697 is about 1797.8862736742.

The spelling of 5811478697 in words is "five billion, eight hundred eleven million, four hundred seventy-eight thousand, six hundred ninety-seven".