1377769709375 has 12 divisors (see below), whose sum is σ = 1722101919048. Its totient is φ = 1102215765000.

The previous prime is 1377769709369. The next prime is 1377769709383. The reversal of 1377769709375 is 5739079677731.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1377769709375 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377769709299 and 1377769709308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220440029 + ... + 220446278.

It is an arithmetic number, because the mean of its divisors is an integer number (143508493254).

Almost surely, 2^{1377769709375} is an apocalyptic number.

1377769709375 is a deficient number, since it is larger than the sum of its proper divisors (344332209673).

1377769709375 is an frugal number, since it uses more digits than its factorization.

1377769709375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440886332 (or 440886312 counting only the distinct ones).

The product of its (nonzero) digits is 367569090, while the sum is 71.

The spelling of 1377769709375 in words is "one trillion, three hundred seventy-seven billion, seven hundred sixty-nine million, seven hundred nine thousand, three hundred seventy-five".