1077055391 has 2 divisors, whose sum is σ = 1077055392. Its totient is φ = 1077055390.

The previous prime is 1077055387. The next prime is 1077055411. The reversal of 1077055391 is 1935507701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1077055391 - 2² = 1077055387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077055361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538527695 + 538527696.

It is an arithmetic number, because the mean of its divisors is an integer number (538527696).

Almost surely, 2^1077055391 is an apocalyptic number.

1077055391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077055391 is an equidigital number, since it uses as much as digits as its factorization.

1077055391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 1077055391 is about 32818.5220721470. The cubic root of 1077055391 is about 1025.0522728844.

The spelling of 1077055391 in words is "one billion, seventy-seven million, fifty-five thousand, three hundred ninety-one".