8712992442 has 96 divisors (see below), whose sum is σ = 22262284800. Its totient is φ = 2224680480.

The previous prime is 8712992437. The next prime is 8712992459. The reversal of 8712992442 is 2442992178.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8712992391 and 8712992400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285309 + ... + 314367.

It is an arithmetic number, because the mean of its divisors is an integer number (231898800).

Almost surely, 2^8712992442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8712992442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11131142400).

8712992442 is an abundant number, since it is smaller than the sum of its proper divisors (13549292358).

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

8712992442 is a wasteful number, since it uses less digits than its factorization.

8712992442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29152 (or 29141 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 8712992442 is about 93343.4113475611. The cubic root of 8712992442 is about 2057.7334263978.

The spelling of 8712992442 in words is "eight billion, seven hundred twelve million, nine hundred ninety-two thousand, four hundred forty-two".