7894887338 has 8 divisors (see below), whose sum is σ = 12753279588. Its totient is φ = 3643794144.

The previous prime is 7894887337. The next prime is 7894887349. The reversal of 7894887338 is 8337884987.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7534760809 + 360126529 = 86803^2 + 18977^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7894887337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151824731 + ... + 151824782.

Almost surely, 2^7894887338 is an apocalyptic number.

7894887338 is a deficient number, since it is larger than the sum of its proper divisors (4858392250).

7894887338 is a wasteful number, since it uses less digits than its factorization.

7894887338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303649528.

The product of its digits is 65028096, while the sum is 65.

The square root of 7894887338 is about 88853.1785475342. The cubic root of 7894887338 is about 1991.2019655462.

The spelling of 7894887338 in words is "seven billion, eight hundred ninety-four million, eight hundred eighty-seven thousand, three hundred thirty-eight".