1378282078 has 8 divisors (see below), whose sum is σ = 2176234920. Its totient is φ = 652870440.

The previous prime is 1378282069. The next prime is 1378282099. The reversal of 1378282078 is 8702828731.

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

It is a super-2 number, since 2×1378282078² = 3799322973071996168, which contains 22 as substring.

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, 18135253 + ... + 18135328.

It is an arithmetic number, because the mean of its divisors is an integer number (272029365).

Almost surely, 2^1378282078 is an apocalyptic number.

1378282078 is a deficient number, since it is larger than the sum of its proper divisors (797952842).

1378282078 is a wasteful number, since it uses less digits than its factorization.

1378282078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36270602.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 1378282078 is about 37125.2215885643. The cubic root of 1378282078 is about 1112.8741029949.

The spelling of 1378282078 in words is "one billion, three hundred seventy-eight million, two hundred eighty-two thousand, seventy-eight".