57906880901628 has 96 divisors (see below), whose sum is σ = 148185798001920. Its totient is φ = 17454135613440.

The previous prime is 57906880901627. The next prime is 57906880901629. The reversal of 57906880901628 is 82610908860975.

It is an interprime number because it is at equal distance from previous prime (57906880901627) and next prime (57906880901629).

It is a super-2 number, since 2×57906880901628² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57906880901627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19415788 + ... + 22198796.

It is an arithmetic number, because the mean of its divisors is an integer number (1543602062520).

Almost surely, 2^{57906880901628} 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 57906880901628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74092899000960).

57906880901628 is an abundant number, since it is smaller than the sum of its proper divisors (90278917100292).

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

57906880901628 is a wasteful number, since it uses less digits than its factorization.

57906880901628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783867 (or 2783865 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 57906880901628 in words is "fifty-seven trillion, nine hundred six billion, eight hundred eighty million, nine hundred one thousand, six hundred twenty-eight".