80947296 has 96 divisors (see below), whose sum is σ = 248572800. Its totient is φ = 25557120.

The previous prime is 80947283. The next prime is 80947297. The reversal of 80947296 is 69274908.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80947297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13951 + ... + 18881.

It is an arithmetic number, because the mean of its divisors is an integer number (2589300).

Almost surely, 2^80947296 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 80947296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124286400).

80947296 is an abundant number, since it is smaller than the sum of its proper divisors (167625504).

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

80947296 is a wasteful number, since it uses less digits than its factorization.

80947296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969 (or 4955 counting only the distinct ones).

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

The square root of 80947296 is about 8997.0715235570. The cubic root of 80947296 is about 432.5810083595.

It can be divided in two parts, 80 and 947296, that added together give a triangular number (947376 = T₁₃₇₆).

The spelling of 80947296 in words is "eighty million, nine hundred forty-seven thousand, two hundred ninety-six".