77734696577 has 8 divisors (see below), whose sum is σ = 78736531200. Its totient is φ = 76739263920.

The previous prime is 77734696549. The next prime is 77734696583. The reversal of 77734696577 is 77569643777.

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

It is a cyclic number.

It is not a de Polignac number, because 77734696577 - 2⁶ = 77734696513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77734690577) 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, 1576049 + ... + 1624622.

It is an arithmetic number, because the mean of its divisors is an integer number (9842066400).

Almost surely, 2^77734696577 is an apocalyptic number.

It is an amenable number.

77734696577 is a deficient number, since it is larger than the sum of its proper divisors (1001834623).

77734696577 is a wasteful number, since it uses less digits than its factorization.

77734696577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200983.

The product of its digits is 326728080, while the sum is 68.

The spelling of 77734696577 in words is "seventy-seven billion, seven hundred thirty-four million, six hundred ninety-six thousand, five hundred seventy-seven".