1378069377 has 8 divisors (see below), whose sum is σ = 1872094464. Its totient is φ = 901378608.

The previous prime is 1378069367. The next prime is 1378069379. The reversal of 1378069377 is 7739608731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1378069377 - 2¹² = 1378065281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1378069379) 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 7 ways as a sum of consecutive naturals, for example, 4333393 + ... + 4333710.

It is an arithmetic number, because the mean of its divisors is an integer number (234011808).

Almost surely, 2^1378069377 is an apocalyptic number.

It is an amenable number.

1378069377 is a deficient number, since it is larger than the sum of its proper divisors (494025087).

1378069377 is an equidigital number, since it uses as much as digits as its factorization.

1378069377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667159.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The square root of 1378069377 is about 37122.3568352011. The cubic root of 1378069377 is about 1112.8168525921.

The spelling of 1378069377 in words is "one billion, three hundred seventy-eight million, sixty-nine thousand, three hundred seventy-seven".