42080878 has 16 divisors (see below), whose sum is σ = 72626400. Its totient is φ = 17912736.

The previous prime is 42080849. The next prime is 42080879. The reversal of 42080878 is 87808024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42080879) 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 7 ways as a sum of consecutive naturals, for example, 8001 + ... + 12172.

It is an arithmetic number, because the mean of its divisors is an integer number (4539150).

Almost surely, 2^42080878 is an apocalyptic number.

42080878 is a deficient number, since it is larger than the sum of its proper divisors (30545522).

42080878 is a wasteful number, since it uses less digits than its factorization.

42080878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20331.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 42080878 is about 6486.9775704869. The cubic root of 42080878 is about 347.8256437100.

The spelling of 42080878 in words is "forty-two million, eighty thousand, eight hundred seventy-eight".