80526097872 has 120 divisors (see below), whose sum is σ = 245947740480. Its totient is φ = 24392010240.

The previous prime is 80526097871. The next prime is 80526097907. The reversal of 80526097872 is 27879062508.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80526097871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4564204 + ... + 4581812.

It is an arithmetic number, because the mean of its divisors is an integer number (2049564504).

Almost surely, 2^80526097872 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 80526097872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122973870240).

80526097872 is an abundant number, since it is smaller than the sum of its proper divisors (165421642608).

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

80526097872 is a wasteful number, since it uses less digits than its factorization.

80526097872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20521 (or 20512 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 80526097872 in words is "eighty billion, five hundred twenty-six million, ninety-seven thousand, eight hundred seventy-two".