80000000100 has 108 divisors (see below), whose sum is σ = 251755292880. Its totient is φ = 21248280000.

The previous prime is 80000000083. The next prime is 80000000107. The reversal of 80000000100 is 100000008.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (80000000107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48831 + ... + 402969.

Almost surely, 2^80000000100 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 80000000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125877646440).

80000000100 is an abundant number, since it is smaller than the sum of its proper divisors (171755292780).

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

80000000100 is a wasteful number, since it uses less digits than its factorization.

80000000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354410 (or 354400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 80000000100 its reverse (100000008), we get a palindrome (80100000108).

The spelling of 80000000100 in words is "eighty billion, one hundred", and thus it is an aban number.