7904444098 has 4 divisors (see below), whose sum is σ = 11856666150. Its totient is φ = 3952222048.

The previous prime is 7904444089. The next prime is 7904444143. The reversal of 7904444098 is 8904444097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8904444097 = 83 ⋅107282459.

It can be written as a sum of positive squares in only one way, i.e., 7597388569 + 307055529 = 87163^2 + 17523^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976111023 + ... + 1976111026.

Almost surely, 2^7904444098 is an apocalyptic number.

7904444098 is a deficient number, since it is larger than the sum of its proper divisors (3952222052).

7904444098 is a wasteful number, since it uses less digits than its factorization.

7904444098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952222051.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 7904444098 is about 88906.9406626952. The cubic root of 7904444098 is about 1992.0050914707.

Subtracting 7904444098 from its reverse (8904444097), we obtain a palindrome (999999999).

The spelling of 7904444098 in words is "seven billion, nine hundred four million, four hundred forty-four thousand, ninety-eight".