28057610031100 has 72 divisors (see below), whose sum is σ = 65710094354240. Its totient is φ = 10337357479680.

The previous prime is 28057610031097. The next prime is 28057610031149. The reversal of 28057610031100 is 113001675082.

It is a happy number.

It is a super-3 number, since 3×28057610031100³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22705635 + ... + 23909434.

Almost surely, 2^{28057610031100} is an apocalyptic number.

28057610031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28057610031100 is an abundant number, since it is smaller than the sum of its proper divisors (37652484323140).

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

28057610031100 is a wasteful number, since it uses less digits than its factorization.

28057610031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46615559 (or 46615552 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 28057610031100 in words is "twenty-eight trillion, fifty-seven billion, six hundred ten million, thirty-one thousand, one hundred".