7897434832 has 40 divisors (see below), whose sum is σ = 17534917376. Its totient is φ = 3375374976.

The previous prime is 7897434827. The next prime is 7897434833. The reversal of 7897434832 is 2384347987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897434833) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 54963 + ... + 137170.

Almost surely, 2^7897434832 is an apocalyptic number.

It is an amenable number.

7897434832 is an abundant number, since it is smaller than the sum of its proper divisors (9637482544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7897434832 is a wasteful number, since it uses less digits than its factorization.

7897434832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192515 (or 192509 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The square root of 7897434832 is about 88867.5128041738. The cubic root of 7897434832 is about 1991.4161138230.

The spelling of 7897434832 in words is "seven billion, eight hundred ninety-seven million, four hundred thirty-four thousand, eight hundred thirty-two".