7989073725431 has 8 divisors (see below), whose sum is σ = 8080965559680. Its totient is φ = 7897457430072.

The previous prime is 7989073725371. The next prime is 7989073725461. The reversal of 7989073725431 is 1345273709897.

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

It is a cyclic number.

It is not a de Polignac number, because 7989073725431 - 2²² = 7989069531127 is a prime.

It is a super-2 number, since 2×7989073725431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989073725461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68826401 + ... + 68942378.

It is an arithmetic number, because the mean of its divisors is an integer number (1010120694960).

Almost surely, 2^{7989073725431} is an apocalyptic number.

7989073725431 is a deficient number, since it is larger than the sum of its proper divisors (91891834249).

7989073725431 is a wasteful number, since it uses less digits than its factorization.

7989073725431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137769445.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 7989073725431 in words is "seven trillion, nine hundred eighty-nine billion, seventy-three million, seven hundred twenty-five thousand, four hundred thirty-one".