1377069077 has 2 divisors, whose sum is σ = 1377069078. Its totient is φ = 1377069076.

The previous prime is 1377069013. The next prime is 1377069103. The reversal of 1377069077 is 7709607731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1250753956 + 126315121 = 35366^2 + 11239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377069077 - 2⁶ = 1377069013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377069277) 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, 688534538 + 688534539.

It is an arithmetic number, because the mean of its divisors is an integer number (688534539).

Almost surely, 2^1377069077 is an apocalyptic number.

It is an amenable number.

1377069077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377069077 is an equidigital number, since it uses as much as digits as its factorization.

1377069077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388962, while the sum is 47.

The square root of 1377069077 is about 37108.8813762959. The cubic root of 1377069077 is about 1112.5475337515.

The spelling of 1377069077 in words is "one billion, three hundred seventy-seven million, sixty-nine thousand, seventy-seven".