7898432379 has 8 divisors (see below), whose sum is σ = 10532793360. Its totient is φ = 5264846496.

The previous prime is 7898432363. The next prime is 7898432383. The reversal of 7898432379 is 9732348987.

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

It is not a de Polignac number, because 7898432379 - 2⁴ = 7898432363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7898432329) 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, 169564 + ... + 211065.

It is an arithmetic number, because the mean of its divisors is an integer number (1316599170).

Almost surely, 2^7898432379 is an apocalyptic number.

7898432379 is a deficient number, since it is larger than the sum of its proper divisors (2634360981).

7898432379 is a wasteful number, since it uses less digits than its factorization.

7898432379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387549.

The product of its digits is 18289152, while the sum is 60.

The square root of 7898432379 is about 88873.1251785375. The cubic root of 7898432379 is about 1991.4999573991.

The spelling of 7898432379 in words is "seven billion, eight hundred ninety-eight million, four hundred thirty-two thousand, three hundred seventy-nine".