771110047 has 2 divisors, whose sum is σ = 771110048. Its totient is φ = 771110046.

The previous prime is 771110033. The next prime is 771110051. The reversal of 771110047 is 740011177.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-771110047 is a prime.

It is a super-2 number, since 2×771110047² = 1189221409168684418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 771109997 and 771110024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (771120047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385555023 + 385555024.

It is an arithmetic number, because the mean of its divisors is an integer number (385555024).

Almost surely, 2^771110047 is an apocalyptic number.

771110047 is a deficient number, since it is larger than the sum of its proper divisors (1).

771110047 is an equidigital number, since it uses as much as digits as its factorization.

771110047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 771110047 is about 27768.8683060725. The cubic root of 771110047 is about 917.0058802469.

The spelling of 771110047 in words is "seven hundred seventy-one million, one hundred ten thousand, forty-seven".