1378827454 has 8 divisors (see below), whose sum is σ = 2177096040. Its totient is φ = 653128776.

The previous prime is 1378827433. The next prime is 1378827467. The reversal of 1378827454 is 4547288731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1378827398 and 1378827407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18142429 + ... + 18142504.

It is an arithmetic number, because the mean of its divisors is an integer number (272137005).

Almost surely, 2^1378827454 is an apocalyptic number.

1378827454 is a deficient number, since it is larger than the sum of its proper divisors (798268586).

1378827454 is a wasteful number, since it uses less digits than its factorization.

1378827454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36284954.

The product of its digits is 1505280, while the sum is 49.

The square root of 1378827454 is about 37132.5659495812. The cubic root of 1378827454 is about 1113.0208689825.

The spelling of 1378827454 in words is "one billion, three hundred seventy-eight million, eight hundred twenty-seven thousand, four hundred fifty-four".