7953116438 has 16 divisors (see below), whose sum is σ = 12128275824. Its totient is φ = 3910390560.

The previous prime is 7953116429. The next prime is 7953116459. The reversal of 7953116438 is 8346113597.

It is a happy number.

It is a super-2 number, since 2×7953116438² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7953116392 and 7953116401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852656 + ... + 861932.

It is an arithmetic number, because the mean of its divisors is an integer number (758017239).

Almost surely, 2^7953116438 is an apocalyptic number.

7953116438 is a deficient number, since it is larger than the sum of its proper divisors (4175159386).

7953116438 is a wasteful number, since it uses less digits than its factorization.

7953116438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367.

The product of its digits is 544320, while the sum is 47.

The square root of 7953116438 is about 89180.2469047939. The cubic root of 7953116438 is about 1996.0853793717.

The spelling of 7953116438 in words is "seven billion, nine hundred fifty-three million, one hundred sixteen thousand, four hundred thirty-eight".