1377463399 has 12 divisors (see below), whose sum is σ = 1556428176. Its totient is φ = 1216218432.

The previous prime is 1377463391. The next prime is 1377463421. The reversal of 1377463399 is 9933647731.

It is not a de Polignac number, because 1377463399 - 2³ = 1377463391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377463391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173302 + ... + 181075.

It is an arithmetic number, because the mean of its divisors is an integer number (129702348).

Almost surely, 2^1377463399 is an apocalyptic number.

1377463399 is a deficient number, since it is larger than the sum of its proper divisors (178964777).

1377463399 is a wasteful number, since it uses less digits than its factorization.

1377463399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354426 (or 354413 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 52.

The square root of 1377463399 is about 37114.1940367833. The cubic root of 1377463399 is about 1112.6537158133.

The spelling of 1377463399 in words is "one billion, three hundred seventy-seven million, four hundred sixty-three thousand, three hundred ninety-nine".