7947056445 has 32 divisors (see below), whose sum is σ = 13039004160. Its totient is φ = 4130741760.

The previous prime is 7947056437. The next prime is 7947056459. The reversal of 7947056445 is 5446507497.

It is a happy number.

It is not a de Polignac number, because 7947056445 - 2³ = 7947056437 is a prime.

It is a super-2 number, since 2×7947056445² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632767 + ... + 645203.

It is an arithmetic number, because the mean of its divisors is an integer number (407468880).

Almost surely, 2^7947056445 is an apocalyptic number.

It is an amenable number.

7947056445 is a deficient number, since it is larger than the sum of its proper divisors (5091947715).

7947056445 is a wasteful number, since it uses less digits than its factorization.

7947056445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The square root of 7947056445 is about 89146.2643356411. The cubic root of 7947056445 is about 1995.5782684327.

The spelling of 7947056445 in words is "seven billion, nine hundred forty-seven million, fifty-six thousand, four hundred forty-five".