1377068399 has 4 divisors (see below), whose sum is σ = 1573792464. Its totient is φ = 1180344336.

The previous prime is 1377068389. The next prime is 1377068417. The reversal of 1377068399 is 9938607731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377068399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1377068399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377068389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98362022 + ... + 98362035.

It is an arithmetic number, because the mean of its divisors is an integer number (393448116).

Almost surely, 2^1377068399 is an apocalyptic number.

1377068399 is a deficient number, since it is larger than the sum of its proper divisors (196724065).

1377068399 is an equidigital number, since it uses as much as digits as its factorization.

1377068399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196724064.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1377068399 is about 37108.8722410154. The cubic root of 1377068399 is about 1112.5473511639.

The spelling of 1377068399 in words is "one billion, three hundred seventy-seven million, sixty-eight thousand, three hundred ninety-nine".