80477280000 has 720 divisors, whose sum is σ = 320486036640. Its totient is φ = 19795968000.

The previous prime is 80477279941. The next prime is 80477280029. The reversal of 80477280000 is 8277408.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 56159284 + ... + 56160716.

Almost surely, 2^80477280000 is an apocalyptic number.

80477280000 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 80477280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160243018320).

80477280000 is an abundant number, since it is smaller than the sum of its proper divisors (240008756640).

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

80477280000 is a wasteful number, since it uses less digits than its factorization.

80477280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 80477280000 in words is "eighty billion, four hundred seventy-seven million, two hundred eighty thousand".