7935665397 has 8 divisors (see below), whose sum is σ = 11542786080. Its totient is φ = 4809494160.

The previous prime is 7935665273. The next prime is 7935665407.

7935665397 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7935665397 - 2¹¹ = 7935663349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7935665397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7935666397) 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, 120237322 + ... + 120237387.

It is an arithmetic number, because the mean of its divisors is an integer number (1442848260).

Almost surely, 2^7935665397 is an apocalyptic number.

It is an amenable number.

7935665397 is a deficient number, since it is larger than the sum of its proper divisors (3607120683).

7935665397 is a wasteful number, since it uses less digits than its factorization.

7935665397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240474723.

The product of its digits is 32148900, while the sum is 60.

The square root of 7935665397 is about 89082.3517707071. The cubic root of 7935665397 is about 1994.6243472072.

The spelling of 7935665397 in words is "seven billion, nine hundred thirty-five million, six hundred sixty-five thousand, three hundred ninety-seven".