80917189548 has 48 divisors (see below), whose sum is σ = 212170834176. Its totient is φ = 23815091520.

The previous prime is 80917189517. The next prime is 80917189559. The reversal of 80917189548 is 84598171908.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80917189491 and 80917189500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11272498 + ... + 11279673.

It is an arithmetic number, because the mean of its divisors is an integer number (4420225712).

Almost surely, 2^80917189548 is an apocalyptic number.

It is an amenable number.

80917189548 is an abundant number, since it is smaller than the sum of its proper divisors (131253644628).

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

80917189548 is a wasteful number, since it uses less digits than its factorization.

80917189548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552214 (or 22552212 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 60.

The spelling of 80917189548 in words is "eighty billion, nine hundred seventeen million, one hundred eighty-nine thousand, five hundred forty-eight".