80499276 has 144 divisors (see below), whose sum is σ = 251946240. Its totient is φ = 21306240.

The previous prime is 80499259. The next prime is 80499283. The reversal of 80499276 is 67299408.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97401 + ... + 98223.

Almost surely, 2^80499276 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 80499276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125973120).

80499276 is an abundant number, since it is smaller than the sum of its proper divisors (171446964).

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

80499276 is a wasteful number, since it uses less digits than its factorization.

80499276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 80499276 is about 8972.1388754299. The cubic root of 80499276 is about 431.7814609667.

The spelling of 80499276 in words is "eighty million, four hundred ninety-nine thousand, two hundred seventy-six".