7856231473 has 8 divisors (see below), whose sum is σ = 8324486720. Its totient is φ = 7393453200.

The previous prime is 7856231459. The next prime is 7856231479. The reversal of 7856231473 is 3741326587.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7856231473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7856231479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366290 + ... + 1372027.

It is an arithmetic number, because the mean of its divisors is an integer number (1040560840).

Almost surely, 2^7856231473 is an apocalyptic number.

It is an amenable number.

7856231473 is a deficient number, since it is larger than the sum of its proper divisors (468255247).

7856231473 is a wasteful number, since it uses less digits than its factorization.

7856231473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738487.

The product of its digits is 846720, while the sum is 46.

The square root of 7856231473 is about 88635.3849938048. The cubic root of 7856231473 is about 1987.9467954708.

The spelling of 7856231473 in words is "seven billion, eight hundred fifty-six million, two hundred thirty-one thousand, four hundred seventy-three".