8101539100 has 72 divisors (see below), whose sum is σ = 17734021200. Its totient is φ = 3212428800.

The previous prime is 8101539079. The next prime is 8101539107. The reversal of 8101539100 is 19351018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101539107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6434271 + ... + 6435529.

It is an arithmetic number, because the mean of its divisors is an integer number (246305850).

Almost surely, 2^8101539100 is an apocalyptic number.

It is an amenable number.

8101539100 is an abundant number, since it is smaller than the sum of its proper divisors (9632482100).

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

8101539100 is a wasteful number, since it uses less digits than its factorization.

8101539100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 8101539100 is about 90008.5501494164. The cubic root of 8101539100 is about 2008.4260427159.

The spelling of 8101539100 in words is "eight billion, one hundred one million, five hundred thirty-nine thousand, one hundred".