80708688144 has 160 divisors (see below), whose sum is σ = 266692573440. Its totient is φ = 22891189248.

The previous prime is 80708688121. The next prime is 80708688169. The reversal of 80708688144 is 44188680708.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316882 + ... + 511694.

It is an arithmetic number, because the mean of its divisors is an integer number (1666828584).

Almost surely, 2^80708688144 is an apocalyptic number.

80708688144 is a gapful number since it is divisible by the number (84) 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 80708688144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133346286720).

80708688144 is an abundant number, since it is smaller than the sum of its proper divisors (185983885296).

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

80708688144 is a wasteful number, since it uses less digits than its factorization.

80708688144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194974 (or 194962 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 80708688144 in words is "eighty billion, seven hundred eight million, six hundred eighty-eight thousand, one hundred forty-four".