80644608 has 240 divisors, whose sum is σ = 266831136. Its totient is φ = 23224320.

The previous prime is 80644589. The next prime is 80644643.

80644608 is a `hidden beast` number, since 8 + 0 + 6 + 44 + 608 = 666.

80644608 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1875435 + ... + 1875477.

Almost surely, 2^80644608 is an apocalyptic number.

80644608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80644608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133415568).

80644608 is an abundant number, since it is smaller than the sum of its proper divisors (186186528).

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

80644608 is a wasteful number, since it uses less digits than its factorization.

80644608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 80644608 is about 8980.2342953845. The cubic root of 80644608 is about 432.0411483438.

The spelling of 80644608 in words is "eighty million, six hundred forty-four thousand, six hundred eight".