80648436 has 72 divisors (see below), whose sum is σ = 210182560. Its totient is φ = 24045120.

The previous prime is 80648431. The next prime is 80648437. The reversal of 80648436 is 63484608.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80648394 and 80648403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80648431) 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, 96870 + ... + 97698.

Almost surely, 2^80648436 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 80648436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105091280).

80648436 is an abundant number, since it is smaller than the sum of its proper divisors (129534124).

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

80648436 is a wasteful number, since it uses less digits than its factorization.

80648436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 80648436 is about 8980.4474276063. The cubic root of 80648436 is about 432.0479842104.

The spelling of 80648436 in words is "eighty million, six hundred forty-eight thousand, four hundred thirty-six".