80003479680 has 640 divisors, whose sum is σ = 315745879680. Its totient is φ = 19201425408.

The previous prime is 80003479643. The next prime is 80003479711. The reversal of 80003479680 is 8697430008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 79 ways as a sum of consecutive naturals, for example, 20267467 + ... + 20271413.

It is an arithmetic number, because the mean of its divisors is an integer number (493352937).

Almost surely, 2^80003479680 is an apocalyptic number.

80003479680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80003479680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157872939840).

80003479680 is an abundant number, since it is smaller than the sum of its proper divisors (235742400000).

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

80003479680 is a wasteful number, since it uses less digits than its factorization.

80003479680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 80003479680 in words is "eighty billion, three million, four hundred seventy-nine thousand, six hundred eighty".