1377071117 has 2 divisors, whose sum is σ = 1377071118. Its totient is φ = 1377071116.

The previous prime is 1377071081. The next prime is 1377071131. The reversal of 1377071117 is 7111707731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1107159076 + 269912041 = 33274^2 + 16429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377071117 - 2¹⁴ = 1377054733 is a prime.

It is a super-2 number, since 2×1377071117² = 3792649722551255378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377071317) 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, 688535558 + 688535559.

It is an arithmetic number, because the mean of its divisors is an integer number (688535559).

Almost surely, 2^1377071117 is an apocalyptic number.

It is an amenable number.

1377071117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377071117 is an equidigital number, since it uses as much as digits as its factorization.

1377071117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7203, while the sum is 35.

The square root of 1377071117 is about 37108.9088629671. The cubic root of 1377071117 is about 1112.5480831299.

Adding to 1377071117 its reverse (7111707731), we get a palindrome (8488778848).

The spelling of 1377071117 in words is "one billion, three hundred seventy-seven million, seventy-one thousand, one hundred seventeen".