80335878 has 32 divisors (see below), whose sum is σ = 187536384. Its totient is φ = 22464192.

The previous prime is 80335873. The next prime is 80335901. The reversal of 80335878 is 87853308.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80335873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18375 + ... + 22322.

It is an arithmetic number, because the mean of its divisors is an integer number (5860512).

Almost surely, 2^80335878 is an apocalyptic number.

80335878 is an abundant number, since it is smaller than the sum of its proper divisors (107200506).

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

80335878 is a wasteful number, since it uses less digits than its factorization.

80335878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40756.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 80335878 is about 8963.0283944658. The cubic root of 80335878 is about 431.4891187231.

The spelling of 80335878 in words is "eighty million, three hundred thirty-five thousand, eight hundred seventy-eight".