7898891232 has 48 divisors (see below), whose sum is σ = 20742099840. Its totient is φ = 2632010112.

The previous prime is 7898891207. The next prime is 7898891249. The reversal of 7898891232 is 2321988987.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 282223 + ... + 308945.

It is an arithmetic number, because the mean of its divisors is an integer number (432127080).

Almost surely, 2^7898891232 is an apocalyptic number.

It is an amenable number.

7898891232 is an abundant number, since it is smaller than the sum of its proper divisors (12843208608).

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

7898891232 is a wasteful number, since it uses less digits than its factorization.

7898891232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29815 (or 29807 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 7898891232 is about 88875.7066469797. The cubic root of 7898891232 is about 1991.5385215086.

The spelling of 7898891232 in words is "seven billion, eight hundred ninety-eight million, eight hundred ninety-one thousand, two hundred thirty-two".