77542039716983 has 4 divisors (see below), whose sum is σ = 77542080761520. Its totient is φ = 77541998672448.

The previous prime is 77542039716943. The next prime is 77542039717007. The reversal of 77542039716983 is 38961793024577.

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 77542039716983 - 2³⁸ = 77267161810039 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 (77542039716943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17544410 + ... + 21514887.

It is an arithmetic number, because the mean of its divisors is an integer number (19385520190380).

It is a 1-persistent number, because it is pandigital, but 2⋅77542039716983 = 155084079433966 is not.

Almost surely, 2^{77542039716983} is an apocalyptic number.

77542039716983 is a deficient number, since it is larger than the sum of its proper divisors (41044537).

77542039716983 is a wasteful number, since it uses less digits than its factorization.

77542039716983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41044536.

The product of its (nonzero) digits is 480090240, while the sum is 71.

The spelling of 77542039716983 in words is "seventy-seven trillion, five hundred forty-two billion, thirty-nine million, seven hundred sixteen thousand, nine hundred eighty-three".