100871929873 has 12 divisors (see below), whose sum is σ = 119404663924. Its totient is φ = 84647772000.

The previous prime is 100871929871. The next prime is 100871929877. The reversal of 100871929873 is 378929178001.

It can be written as a sum of positive squares in 2 ways, for example, as 8110263249 + 92761666624 = 90057^2 + 304568^2 .

It is not a de Polignac number, because 100871929873 - 2¹ = 100871929871 is a prime.

It is a super-2 number, since 2×100871929873² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100871929871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32061978 + ... + 32065123.

Almost surely, 2^100871929873 is an apocalyptic number.

100871929873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100871929873 is a deficient number, since it is larger than the sum of its proper divisors (18532734051).

100871929873 is a wasteful number, since it uses less digits than its factorization.

100871929873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64127136 (or 64127125 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 100871929873 in words is "one hundred billion, eight hundred seventy-one million, nine hundred twenty-nine thousand, eight hundred seventy-three".