80398872 has 64 divisors (see below), whose sum is σ = 230553600. Its totient is φ = 25932960.

The previous prime is 80398867. The next prime is 80398873. The reversal of 80398872 is 27889308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80398873) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 693 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (3602400).

Almost surely, 2^80398872 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 80398872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115276800).

80398872 is an abundant number, since it is smaller than the sum of its proper divisors (150154728).

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

80398872 is a wasteful number, since it uses less digits than its factorization.

80398872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053 (or 12043 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 80398872 is about 8966.5418083005. The cubic root of 80398872 is about 431.6018708531.

The spelling of 80398872 in words is "eighty million, three hundred ninety-eight thousand, eight hundred seventy-two".