80992548 has 240 divisors, whose sum is σ = 270931584. Its totient is φ = 20528640.

The previous prime is 80992547. The next prime is 80992577. The reversal of 80992548 is 84529908.

It is a super-3 number, since 3×80992548³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80992543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1208811 + ... + 1208877.

Almost surely, 2^80992548 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 80992548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135465792).

80992548 is an abundant number, since it is smaller than the sum of its proper divisors (189939036).

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

80992548 is a wasteful number, since it uses less digits than its factorization.

80992548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 80992548 is about 8999.5859904776. The cubic root of 80992548 is about 432.6616019892.

The spelling of 80992548 in words is "eighty million, nine hundred ninety-two thousand, five hundred forty-eight".