7697981135 has 16 divisors (see below), whose sum is σ = 10046665440. Its totient is φ = 5628374400.

The previous prime is 7697981111. The next prime is 7697981141. The reversal of 7697981135 is 5311897967.

It is a de Polignac number, because none of the positive numbers 2^k-7697981135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579725 + ... + 592854.

It is an arithmetic number, because the mean of its divisors is an integer number (627916590).

Almost surely, 2^7697981135 is an apocalyptic number.

7697981135 is a deficient number, since it is larger than the sum of its proper divisors (2348684305).

7697981135 is a wasteful number, since it uses less digits than its factorization.

7697981135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172698.

The product of its digits is 2857680, while the sum is 56.

The square root of 7697981135 is about 87738.1395688329. The cubic root of 7697981135 is about 1974.5082264346.

The spelling of 7697981135 in words is "seven billion, six hundred ninety-seven million, nine hundred eighty-one thousand, one hundred thirty-five".