7986434945 has 8 divisors (see below), whose sum is σ = 9637263360. Its totient is φ = 6353453680.

The previous prime is 7986434899. The next prime is 7986434959. The reversal of 7986434945 is 5494346897.

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

It is not a de Polignac number, because 7986434945 - 2⁸ = 7986434689 is a prime.

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, 4460801 + ... + 4462590.

It is an arithmetic number, because the mean of its divisors is an integer number (1204657920).

Almost surely, 2^7986434945 is an apocalyptic number.

It is an amenable number.

7986434945 is a deficient number, since it is larger than the sum of its proper divisors (1650828415).

7986434945 is a wasteful number, since it uses less digits than its factorization.

7986434945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923575.

The product of its digits is 26127360, while the sum is 59.

The square root of 7986434945 is about 89366.8559646136. The cubic root of 7986434945 is about 1998.8689392213.

The spelling of 7986434945 in words is "seven billion, nine hundred eighty-six million, four hundred thirty-four thousand, nine hundred forty-five".