80947608 has 96 divisors (see below), whose sum is σ = 249318000. Its totient is φ = 21762048.

The previous prime is 80947579. The next prime is 80947609. The reversal of 80947608 is 80674908.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 80947608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80947609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17968 + ... + 22016.

Almost surely, 2^80947608 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 80947608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124659000).

80947608 is an abundant number, since it is smaller than the sum of its proper divisors (168370392).

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

80947608 is a wasteful number, since it uses less digits than its factorization.

80947608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 80947608 is about 8997.0888625155. The cubic root of 80947608 is about 432.5815641330.

The spelling of 80947608 in words is "eighty million, nine hundred forty-seven thousand, six hundred eight".