80057819052 has 72 divisors (see below), whose sum is σ = 208987938432. Its totient is φ = 25813785600.

The previous prime is 80057818991. The next prime is 80057819057. The reversal of 80057819052 is 25091875008.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80057818989 and 80057819007.

It is not an unprimeable number, because it can be changed into a prime (80057819057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2749852 + ... + 2778812.

It is an arithmetic number, because the mean of its divisors is an integer number (2902610256).

Almost surely, 2^80057819052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80057819052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104493969216).

80057819052 is an abundant number, since it is smaller than the sum of its proper divisors (128930119380).

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

80057819052 is a wasteful number, since it uses less digits than its factorization.

80057819052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31479 (or 31474 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 80057819052 in words is "eighty billion, fifty-seven million, eight hundred nineteen thousand, fifty-two".