80385078 has 16 divisors (see below), whose sum is σ = 170227440. Its totient is φ = 25218816.

The previous prime is 80384989. The next prime is 80385091. The reversal of 80385078 is 87058308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393943 + ... + 394146.

It is an arithmetic number, because the mean of its divisors is an integer number (10639215).

Almost surely, 2^80385078 is an apocalyptic number.

80385078 is an abundant number, since it is smaller than the sum of its proper divisors (89842362).

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

80385078 is a wasteful number, since it uses less digits than its factorization.

80385078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788111.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80385078 is about 8965.7725824382. The cubic root of 80385078 is about 431.5771861920.

The spelling of 80385078 in words is "eighty million, three hundred eighty-five thousand, seventy-eight".