1077842057 has 2 divisors, whose sum is σ = 1077842058. Its totient is φ = 1077842056.

The previous prime is 1077842053. The next prime is 1077842083. The reversal of 1077842057 is 7502487701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074266176 + 3575881 = 32776^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077842057 - 2² = 1077842053 is a prime.

It is not a weakly prime, because it can be changed into another prime (1077842053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538921028 + 538921029.

It is an arithmetic number, because the mean of its divisors is an integer number (538921029).

Almost surely, 2^1077842057 is an apocalyptic number.

It is an amenable number.

1077842057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077842057 is an equidigital number, since it uses as much as digits as its factorization.

1077842057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 1077842057 is about 32830.5049763174. The cubic root of 1077842057 is about 1025.3017733701.

The spelling of 1077842057 in words is "one billion, seventy-seven million, eight hundred forty-two thousand, fifty-seven".