80551408 has 40 divisors (see below), whose sum is σ = 180390240. Its totient is φ = 34129920.

The previous prime is 80551399. The next prime is 80551409. The reversal of 80551408 is 80415508.

It is a self number, because there is not a number n which added to its sum of digits gives 80551408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80551409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5928 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (4509756).

Almost surely, 2^80551408 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 80551408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90195120).

80551408 is an abundant number, since it is smaller than the sum of its proper divisors (99838832).

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

80551408 is a wasteful number, since it uses less digits than its factorization.

80551408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 80551408 is about 8975.0436210639. The cubic root of 80551408 is about 431.8746492737.

The spelling of 80551408 in words is "eighty million, five hundred fifty-one thousand, four hundred eight".