76728868622117 has 8 divisors (see below), whose sum is σ = 80070716522880. Its totient is φ = 73387504899280.

The previous prime is 76728868622089. The next prime is 76728868622167. The reversal of 76728868622117 is 71122686882767.

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 76728868622117 - 2⁸ = 76728868621861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76728868622167) 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, 120720617 + ... + 121354542.

It is an arithmetic number, because the mean of its divisors is an integer number (10008839565360).

Almost surely, 2^{76728868622117} is an apocalyptic number.

It is an amenable number.

76728868622117 is a deficient number, since it is larger than the sum of its proper divisors (3341847900763).

76728868622117 is a wasteful number, since it uses less digits than its factorization.

76728868622117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242088963.

The product of its digits is 303464448, while the sum is 71.

The spelling of 76728868622117 in words is "seventy-six trillion, seven hundred twenty-eight billion, eight hundred sixty-eight million, six hundred twenty-two thousand, one hundred seventeen".