2100177072868 has 24 divisors (see below), whose sum is σ = 4298036802752. Its totient is φ = 879143890464.

The previous prime is 2100177072793. The next prime is 2100177072919. The reversal of 2100177072868 is 8682707710012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872165355 + ... + 872167762.

Almost surely, 2^{2100177072868} is an apocalyptic number.

2100177072868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2100177072868 is an abundant number, since it is smaller than the sum of its proper divisors (2197859729884).

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

2100177072868 is a wasteful number, since it uses less digits than its factorization.

2100177072868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744333171 (or 1744333169 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The spelling of 2100177072868 in words is "two trillion, one hundred billion, one hundred seventy-seven million, seventy-two thousand, eight hundred sixty-eight".