80805147100 has 36 divisors (see below), whose sum is σ = 175475737584. Its totient is φ = 32298359680.

The previous prime is 80805147053. The next prime is 80805147109. The reversal of 80805147100 is 174150808.

It is a super-3 number, since 3×80805147100³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80805147109) 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, 158857 + ... + 432256.

It is an arithmetic number, because the mean of its divisors is an integer number (4874326044).

Almost surely, 2^80805147100 is an apocalyptic number.

It is an amenable number.

80805147100 is an abundant number, since it is smaller than the sum of its proper divisors (94670590484).

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

80805147100 is a wasteful number, since it uses less digits than its factorization.

80805147100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592494 (or 592487 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

Adding to 80805147100 its reverse (174150808), we get a palindrome (80979297908).

The spelling of 80805147100 in words is "eighty billion, eight hundred five million, one hundred forty-seven thousand, one hundred".