80746715280 has 1280 divisors, whose sum is σ = 345577881600. Its totient is φ = 15095808000.

The previous prime is 80746715279. The next prime is 80746715369. The reversal of 80746715280 is 8251764708.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1022110281 + ... + 1022110359.

It is an arithmetic number, because the mean of its divisors is an integer number (269982720).

Almost surely, 2^80746715280 is an apocalyptic number.

80746715280 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 80746715280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172788940800).

80746715280 is an abundant number, since it is smaller than the sum of its proper divisors (264831166320).

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

80746715280 is a wasteful number, since it uses less digits than its factorization.

80746715280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 80746715280 in words is "eighty billion, seven hundred forty-six million, seven hundred fifteen thousand, two hundred eighty".