83777980452 has 24 divisors (see below), whose sum is σ = 195646673376. Its totient is φ = 27902462208.

The previous prime is 83777980427. The next prime is 83777980487. The reversal of 83777980452 is 25408977738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926573 + ... + 2955060.

It is an arithmetic number, because the mean of its divisors is an integer number (8151944724).

Almost surely, 2^83777980452 is an apocalyptic number.

It is an amenable number.

83777980452 is an abundant number, since it is smaller than the sum of its proper divisors (111868692924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83777980452 is a wasteful number, since it uses less digits than its factorization.

83777980452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882827 (or 5882825 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 83777980452 in words is "eighty-three billion, seven hundred seventy-seven million, nine hundred eighty thousand, four hundred fifty-two".