57776716120 has 128 divisors (see below), whose sum is σ = 139089000960. Its totient is φ = 21524224000.

The previous prime is 57776716117. The next prime is 57776716121. The reversal of 57776716120 is 2161767775.

It is a super-2 number, since 2×57776716120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57776716121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28502547 + ... + 28504573.

It is an arithmetic number, because the mean of its divisors is an integer number (1086632820).

Almost surely, 2^57776716120 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 57776716120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69544500480).

57776716120 is an abundant number, since it is smaller than the sum of its proper divisors (81312284840).

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

57776716120 is a wasteful number, since it uses less digits than its factorization.

57776716120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 57776716120 in words is "fifty-seven billion, seven hundred seventy-six million, seven hundred sixteen thousand, one hundred twenty".