80129300 has 18 divisors (see below), whose sum is σ = 173880798. Its totient is φ = 32051680.

The previous prime is 80129299. The next prime is 80129311. The reversal of 80129300 is 392108.

It can be written as a sum of positive squares in 3 ways, for example, as 23639044 + 56490256 = 4862^2 + 7516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400547 + ... + 400746.

Almost surely, 2^80129300 is an apocalyptic number.

It is an amenable number.

80129300 is an abundant number, since it is smaller than the sum of its proper divisors (93751498).

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

80129300 is a wasteful number, since it uses less digits than its factorization.

80129300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801307 (or 801300 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 80129300 is about 8951.4970814942. The cubic root of 80129300 is about 431.1189533908.

The spelling of 80129300 in words is "eighty million, one hundred twenty-nine thousand, three hundred".