77572268685383 has 4 divisors (see below), whose sum is σ = 77572361153448. Its totient is φ = 77572176217320.

The previous prime is 77572268685343. The next prime is 77572268685397. The reversal of 77572268685383 is 38358686227577.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77572268685383 - 2⁸ = 77572268685127 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 (77572268685343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44964041 + ... + 46657362.

It is an arithmetic number, because the mean of its divisors is an integer number (19393090288362).

Almost surely, 2^{77572268685383} is an apocalyptic number.

77572268685383 is a deficient number, since it is larger than the sum of its proper divisors (92468065).

77572268685383 is an equidigital number, since it uses as much as digits as its factorization.

77572268685383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92468064.

The product of its digits is 5689958400, while the sum is 77.

The spelling of 77572268685383 in words is "seventy-seven trillion, five hundred seventy-two billion, two hundred sixty-eight million, six hundred eighty-five thousand, three hundred eighty-three".