7957991467 has 16 divisors (see below), whose sum is σ = 8524758528. Its totient is φ = 7410775680.

The previous prime is 7957991441. The next prime is 7957991479. The reversal of 7957991467 is 7641997597.

7957991467 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7957991467 - 2¹⁵ = 7957958699 is a prime.

It is a super-3 number, since 3×7957991467³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7957991399 and 7957991408.

It is not an unprimeable number, because it can be changed into a prime (7957998467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294643 + ... + 320515.

It is an arithmetic number, because the mean of its divisors is an integer number (532797408).

Almost surely, 2^7957991467 is an apocalyptic number.

7957991467 is a deficient number, since it is larger than the sum of its proper divisors (566767061).

7957991467 is a wasteful number, since it uses less digits than its factorization.

7957991467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26250.

The product of its digits is 30005640, while the sum is 64.

The square root of 7957991467 is about 89207.5751660138. The cubic root of 7957991467 is about 1996.4931434893.

The spelling of 7957991467 in words is "seven billion, nine hundred fifty-seven million, nine hundred ninety-one thousand, four hundred sixty-seven".