69080771 has 2 divisors, whose sum is σ = 69080772. Its totient is φ = 69080770.

The previous prime is 69080729. The next prime is 69080773. The reversal of 69080771 is 17708096.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69080771 is a prime.

Together with 69080773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69080773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34540385 + 34540386.

It is an arithmetic number, because the mean of its divisors is an integer number (34540386).

Almost surely, 2^69080771 is an apocalyptic number.

69080771 is a deficient number, since it is larger than the sum of its proper divisors (1).

69080771 is an equidigital number, since it uses as much as digits as its factorization.

69080771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 69080771 is about 8311.4842838088. The cubic root of 69080771 is about 410.3165728726.

The spelling of 69080771 in words is "sixty-nine million, eighty thousand, seven hundred seventy-one".