1377096869 has 4 divisors (see below), whose sum is σ = 1377182796. Its totient is φ = 1377010944.

The previous prime is 1377096859. The next prime is 1377096937. The reversal of 1377096869 is 9686907731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 381694369 + 995402500 = 19537^2 + 31550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377096869 - 2²⁸ = 1108661413 is a prime.

It is a super-2 number, since 2×1377096869² = 3792791573219206322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377096859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10994 + ... + 53619.

It is an arithmetic number, because the mean of its divisors is an integer number (344295699).

Almost surely, 2^1377096869 is an apocalyptic number.

It is an amenable number.

1377096869 is a deficient number, since it is larger than the sum of its proper divisors (85927).

1377096869 is an equidigital number, since it uses as much as digits as its factorization.

1377096869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85926.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 1377096869 is about 37109.2558400192. The cubic root of 1377096869 is about 1112.5550181771. Note that the first 3 decimals are identical.

The spelling of 1377096869 in words is "one billion, three hundred seventy-seven million, ninety-six thousand, eight hundred sixty-nine".