57776427886452 has 192 divisors, whose sum is σ = 149555397648384. Its totient is φ = 17214458204160.

The previous prime is 57776427886447. The next prime is 57776427886487. The reversal of 57776427886452 is 25468872467775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3202142943 + ... + 3202160985.

It is an arithmetic number, because the mean of its divisors is an integer number (778934362752).

Almost surely, 2^{57776427886452} 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 57776427886452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74777698824192).

57776427886452 is an abundant number, since it is smaller than the sum of its proper divisors (91778969761932).

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

57776427886452 is a wasteful number, since it uses less digits than its factorization.

57776427886452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878 (or 19876 counting only the distinct ones).

The product of its digits is 8851046400, while the sum is 78.

The spelling of 57776427886452 in words is "fifty-seven trillion, seven hundred seventy-six billion, four hundred twenty-seven million, eight hundred eighty-six thousand, four hundred fifty-two".