80655798 has 32 divisors (see below), whose sum is σ = 171475200. Its totient is φ = 25219296.

The previous prime is 80655793. The next prime is 80655811. The reversal of 80655798 is 89755608.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80655793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8308 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (5358600).

Almost surely, 2^80655798 is an apocalyptic number.

80655798 is an abundant number, since it is smaller than the sum of its proper divisors (90819402).

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

80655798 is a wasteful number, since it uses less digits than its factorization.

80655798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 80655798 is about 8980.8573087429. The cubic root of 80655798 is about 432.0611303239.

The spelling of 80655798 in words is "eighty million, six hundred fifty-five thousand, seven hundred ninety-eight".