80419716 has 120 divisors (see below), whose sum is σ = 230851544. Its totient is φ = 24261120.

The previous prime is 80419699. The next prime is 80419733. The reversal of 80419716 is 61791408.

It is an interprime number because it is at equal distance from previous prime (80419699) and next prime (80419733).

It can be written as a sum of positive squares in 4 ways, for example, as 15681600 + 64738116 = 3960^2 + 8046^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 256776 + ... + 257088.

Almost surely, 2^80419716 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 80419716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115425772).

80419716 is an abundant number, since it is smaller than the sum of its proper divisors (150431828).

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

80419716 is a wasteful number, since it uses less digits than its factorization.

80419716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 80419716 is about 8967.7040539929. The cubic root of 80419716 is about 431.6391662854.

The spelling of 80419716 in words is "eighty million, four hundred nineteen thousand, seven hundred sixteen".