1378496567 has 6 divisors (see below), whose sum is σ = 1603557288. Its totient is φ = 1181568444.

The previous prime is 1378496551. The next prime is 1378496573. The reversal of 1378496567 is 7656948731.

It is not a de Polignac number, because 1378496567 - 2⁴ = 1378496551 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 (1378496507) 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 5 ways as a sum of consecutive naturals, for example, 14066243 + ... + 14066340.

It is an arithmetic number, because the mean of its divisors is an integer number (267259548).

Almost surely, 2^1378496567 is an apocalyptic number.

1378496567 is a deficient number, since it is larger than the sum of its proper divisors (225060721).

1378496567 is an equidigital number, since it uses as much as digits as its factorization.

1378496567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132597 (or 28132590 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 1378496567 is about 37128.1101996856. The cubic root of 1378496567 is about 1112.9318286898.

The spelling of 1378496567 in words is "one billion, three hundred seventy-eight million, four hundred ninety-six thousand, five hundred sixty-seven".