80548727616 has 840 divisors, whose sum is σ = 307258370496. Its totient is φ = 20692869120.

The previous prime is 80548727561. The next prime is 80548727621. The reversal of 80548727616 is 61672784508.

80548727616 is a `hidden beast` number, since 80 + 5 + 487 + 2 + 76 + 16 = 666.

It is a super-2 number, since 2×80548727616² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 99319851 + ... + 99320661.

Almost surely, 2^80548727616 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 80548727616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153629185248).

80548727616 is an abundant number, since it is smaller than the sum of its proper divisors (226709642880).

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

80548727616 is a wasteful number, since it uses less digits than its factorization.

80548727616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 80548727616 in words is "eighty billion, five hundred forty-eight million, seven hundred twenty-seven thousand, six hundred sixteen".