7947056442 has 32 divisors (see below), whose sum is σ = 17126605440. Its totient is φ = 2443838400.

The previous prime is 7947056437. The next prime is 7947056459. The reversal of 7947056442 is 2446507497.

It is a junction number, because it is equal to n+sod(n) for n = 7947056391 and 7947056400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111067 + ... + 168017.

It is an arithmetic number, because the mean of its divisors is an integer number (535206420).

Almost surely, 2^7947056442 is an apocalyptic number.

7947056442 is an abundant number, since it is smaller than the sum of its proper divisors (9179548998).

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

7947056442 is a wasteful number, since it uses less digits than its factorization.

7947056442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58758.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The square root of 7947056442 is about 89146.2643188148. The cubic root of 7947056442 is about 1995.5782681816.

The spelling of 7947056442 in words is "seven billion, nine hundred forty-seven million, fifty-six thousand, four hundred forty-two".