7942892938 has 8 divisors (see below), whose sum is σ = 11966367780. Its totient is φ = 3954103680.

The previous prime is 7942892891. The next prime is 7942892959. The reversal of 7942892938 is 8392982497.

It can be written as a sum of positive squares in 2 ways, for example, as 5490365409 + 2452527529 = 74097^2 + 49523^2 .

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

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, 8670823 + ... + 8671738.

Almost surely, 2^7942892938 is an apocalyptic number.

7942892938 is a deficient number, since it is larger than the sum of its proper divisors (4023474842).

7942892938 is a wasteful number, since it uses less digits than its factorization.

7942892938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17342792.

The product of its digits is 15676416, while the sum is 61.

The square root of 7942892938 is about 89122.9091648158. The cubic root of 7942892938 is about 1995.2297093763.

The spelling of 7942892938 in words is "seven billion, nine hundred forty-two million, eight hundred ninety-two thousand, nine hundred thirty-eight".