78520000548 has 96 divisors (see below), whose sum is σ = 203062422528. Its totient is φ = 23416624000.

The previous prime is 78520000529. The next prime is 78520000607. The reversal of 78520000548 is 84500002587.

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, 2208811 + ... + 2244077.

It is an arithmetic number, because the mean of its divisors is an integer number (2115233568).

Almost surely, 2^78520000548 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 78520000548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101531211264).

78520000548 is an abundant number, since it is smaller than the sum of its proper divisors (124542421980).

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

78520000548 is a wasteful number, since it uses less digits than its factorization.

78520000548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35553 (or 35551 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 78520000548 in words is "seventy-eight billion, five hundred twenty million, five hundred forty-eight", and thus it is an aban number.