42380878 has 8 divisors (see below), whose sum is σ = 63613872. Its totient is φ = 21176256.

The previous prime is 42380837. The next prime is 42380957. The reversal of 42380878 is 87808324.

42380878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42380878² = 3592277640101768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42380878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (7951734).

Almost surely, 2^42380878 is an apocalyptic number.

42380878 is a deficient number, since it is larger than the sum of its proper divisors (21232994).

42380878 is a wasteful number, since it uses less digits than its factorization.

42380878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14186.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 42380878 is about 6510.0597539500. The cubic root of 42380878 is about 348.6502518309.

The spelling of 42380878 in words is "forty-two million, three hundred eighty thousand, eight hundred seventy-eight".