1378488367 has 8 divisors (see below), whose sum is σ = 1493520336. Its totient is φ = 1267228032.

The previous prime is 1378488313. The next prime is 1378488389. The reversal of 1378488367 is 7638848731.

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

It is a cyclic number.

It is not a de Polignac number, because 1378488367 - 2¹⁹ = 1377964079 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 (1378488967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942148 + ... + 943609.

It is an arithmetic number, because the mean of its divisors is an integer number (186690042).

Almost surely, 2^1378488367 is an apocalyptic number.

1378488367 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1378488367 is a deficient number, since it is larger than the sum of its proper divisors (115031969).

1378488367 is a wasteful number, since it uses less digits than its factorization.

1378488367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885817.

The product of its digits is 5419008, while the sum is 55.

The square root of 1378488367 is about 37127.9997710623. Note that the first 3 decimals coincide. The cubic root of 1378488367 is about 1112.9296219236.

The spelling of 1378488367 in words is "one billion, three hundred seventy-eight million, four hundred eighty-eight thousand, three hundred sixty-seven".