7438331886 has 16 divisors (see below), whose sum is σ = 14954554368. Its totient is φ = 2466462200.

The previous prime is 7438331867. The next prime is 7438331897. The reversal of 7438331886 is 6881338347.

It is a Smith number, since the sum of its digits (51) 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3244200 + ... + 3246491.

It is an arithmetic number, because the mean of its divisors is an integer number (934659648).

Almost surely, 2^7438331886 is an apocalyptic number.

7438331886 is an abundant number, since it is smaller than the sum of its proper divisors (7516222482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7438331886 is a wasteful number, since it uses less digits than its factorization.

7438331886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490887.

The product of its digits is 2322432, while the sum is 51.

The square root of 7438331886 is about 86245.7644525225. The cubic root of 7438331886 is about 1952.0541042445.

The spelling of 7438331886 in words is "seven billion, four hundred thirty-eight million, three hundred thirty-one thousand, eight hundred eighty-six".