77926045983 has 4 divisors (see below), whose sum is σ = 103901394648. Its totient is φ = 51950697320.

The previous prime is 77926045937. The next prime is 77926045993. The reversal of 77926045983 is 38954062977.

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 77926045983 - 2⁹ = 77926045471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77926045993) 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, 12987674328 + ... + 12987674333.

It is an arithmetic number, because the mean of its divisors is an integer number (25975348662).

Almost surely, 2^77926045983 is an apocalyptic number.

77926045983 is a deficient number, since it is larger than the sum of its proper divisors (25975348665).

77926045983 is a wasteful number, since it uses less digits than its factorization.

77926045983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25975348664.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 77926045983 in words is "seventy-seven billion, nine hundred twenty-six million, forty-five thousand, nine hundred eighty-three".