7697645834 has 8 divisors (see below), whose sum is σ = 11858535588. Its totient is φ = 3744800640.

The previous prime is 7697645821. The next prime is 7697645869. The reversal of 7697645834 is 4385467967.

It can be written as a sum of positive squares in 2 ways, for example, as 5951659609 + 1745986225 = 77147^2 + 41785^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52011047 + ... + 52011194.

Almost surely, 2^7697645834 is an apocalyptic number.

7697645834 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7697645834 is a deficient number, since it is larger than the sum of its proper divisors (4160889754).

7697645834 is a wasteful number, since it uses less digits than its factorization.

7697645834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104022280.

The product of its digits is 30481920, while the sum is 59.

The square root of 7697645834 is about 87736.2287427491. The cubic root of 7697645834 is about 1974.4795581304.

The spelling of 7697645834 in words is "seven billion, six hundred ninety-seven million, six hundred forty-five thousand, eight hundred thirty-four".