1343271878 has 16 divisors (see below), whose sum is σ = 2202290160. Its totient is φ = 610717536.

The previous prime is 1343271877. The next prime is 1343271893. The reversal of 1343271878 is 8781723431.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343271877) 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, 383813 + ... + 387296.

It is an arithmetic number, because the mean of its divisors is an integer number (137643135).

Almost surely, 2^1343271878 is an apocalyptic number.

1343271878 is a deficient number, since it is larger than the sum of its proper divisors (859018282).

1343271878 is a wasteful number, since it uses less digits than its factorization.

1343271878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771191.

The product of its digits is 225792, while the sum is 44.

The square root of 1343271878 is about 36650.6736363740. The cubic root of 1343271878 is about 1103.3703455261.

The spelling of 1343271878 in words is "one billion, three hundred forty-three million, two hundred seventy-one thousand, eight hundred seventy-eight".