80680528548 has 144 divisors (see below), whose sum is σ = 224149109184. Its totient is φ = 25287552000.

The previous prime is 80680528499. The next prime is 80680528561. The reversal of 80680528548 is 84582508608.

It is a happy number.

80680528548 is a `hidden beast` number, since 8 + 0 + 68 + 0 + 528 + 54 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 80680528494 and 80680528503.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26883048 + ... + 26886048.

It is an arithmetic number, because the mean of its divisors is an integer number (1556591036).

Almost surely, 2^80680528548 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 80680528548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112074554592).

80680528548 is an abundant number, since it is smaller than the sum of its proper divisors (143468580636).

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

80680528548 is a wasteful number, since it uses less digits than its factorization.

80680528548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 54.

The spelling of 80680528548 in words is "eighty billion, six hundred eighty million, five hundred twenty-eight thousand, five hundred forty-eight".