42878787134738 has 8 divisors (see below), whose sum is σ = 64545453426288. Its totient is φ = 21363635992644.

The previous prime is 42878787134681. The next prime is 42878787134747. The reversal of 42878787134738 is 83743178787824.

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

It is a super-2 number, since 2×42878787134738² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37878786656 + ... + 37878787787.

It is an arithmetic number, because the mean of its divisors is an integer number (8068181678286).

Almost surely, 2^{42878787134738} is an apocalyptic number.

42878787134738 is a deficient number, since it is larger than the sum of its proper divisors (21666666291550).

42878787134738 is a wasteful number, since it uses less digits than its factorization.

42878787134738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75757574728.

The product of its digits is 2832334848, while the sum is 77.

The spelling of 42878787134738 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred eighty-seven million, one hundred thirty-four thousand, seven hundred thirty-eight".