7953431672 has 16 divisors (see below), whose sum is σ = 15393739200. Its totient is φ = 3848434560.

The previous prime is 7953431669. The next prime is 7953431719. The reversal of 7953431672 is 2761343597.

It is a super-2 number, since 2×7953431672² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16034897 + ... + 16035392.

It is an arithmetic number, because the mean of its divisors is an integer number (962108700).

Almost surely, 2^7953431672 is an apocalyptic number.

It is an amenable number.

7953431672 is a deficient number, since it is larger than the sum of its proper divisors (7440307528).

7953431672 is a wasteful number, since it uses less digits than its factorization.

7953431672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070326 (or 32070322 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The square root of 7953431672 is about 89182.0142853928. The cubic root of 7953431672 is about 1996.1117516611. Note that the first 3 decimals are identical.

The spelling of 7953431672 in words is "seven billion, nine hundred fifty-three million, four hundred thirty-one thousand, six hundred seventy-two".