42878305833738 has 16 divisors (see below), whose sum is σ = 85761146162496. Its totient is φ = 14292012862080.

The previous prime is 42878305833733. The next prime is 42878305833743. The reversal of 42878305833738 is 83733850387824.

It is an interprime number because it is at equal distance from previous prime (42878305833733) and next prime (42878305833743).

It is a super-2 number, since 2×42878305833738² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42878305833733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188814358 + ... + 189041313.

It is an arithmetic number, because the mean of its divisors is an integer number (5360071635156).

Almost surely, 2^{42878305833738} is an apocalyptic number.

42878305833738 is an abundant number, since it is smaller than the sum of its proper divisors (42882840328758).

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

42878305833738 is a wasteful number, since it uses less digits than its factorization.

42878305833738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377874589.

The product of its (nonzero) digits is 650280960, while the sum is 69.

The spelling of 42878305833738 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred five million, eight hundred thirty-three thousand, seven hundred thirty-eight".