1678077338 has 16 divisors (see below), whose sum is σ = 2877229824. Its totient is φ = 719044560.

The previous prime is 1678077319. The next prime is 1678077343. The reversal of 1678077338 is 8337708761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142703 + ... + 154013.

It is an arithmetic number, because the mean of its divisors is an integer number (179826864).

Almost surely, 2^1678077338 is an apocalyptic number.

1678077338 is a deficient number, since it is larger than the sum of its proper divisors (1199152486).

1678077338 is a wasteful number, since it uses less digits than its factorization.

1678077338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21917.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 1678077338 is about 40964.3422747150. The cubic root of 1678077338 is about 1188.3307193121.

The spelling of 1678077338 in words is "one billion, six hundred seventy-eight million, seventy-seven thousand, three hundred thirty-eight".