80709948 has 144 divisors (see below), whose sum is σ = 248451840. Its totient is φ = 21772800.

The previous prime is 80709943. The next prime is 80709949. The reversal of 80709948 is 84990708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80709943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127593 + ... + 128223.

It is an arithmetic number, because the mean of its divisors is an integer number (1725360).

Almost surely, 2^80709948 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 80709948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124225920).

80709948 is an abundant number, since it is smaller than the sum of its proper divisors (167741892).

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

80709948 is a wasteful number, since it uses less digits than its factorization.

80709948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 80709948 is about 8983.8715485029. The cubic root of 80709948 is about 432.1577998625.

The spelling of 80709948 in words is "eighty million, seven hundred nine thousand, nine hundred forty-eight".