7697143144 has 16 divisors (see below), whose sum is σ = 14445173700. Its totient is φ = 3845096832.

The previous prime is 7697143133. The next prime is 7697143169. The reversal of 7697143144 is 4413417967.

It can be written as a sum of positive squares in 2 ways, for example, as 4780063044 + 2917080100 = 69138^2 + 54010^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7697143094 and 7697143103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424917 + ... + 442660.

Almost surely, 2^7697143144 is an apocalyptic number.

It is an amenable number.

7697143144 is a deficient number, since it is larger than the sum of its proper divisors (6748030556).

7697143144 is a wasteful number, since it uses less digits than its factorization.

7697143144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868692 (or 868688 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 7697143144 is about 87733.3639159015. The cubic root of 7697143144 is about 1974.4365764726.

The spelling of 7697143144 in words is "seven billion, six hundred ninety-seven million, one hundred forty-three thousand, one hundred forty-four".