42878558134754 has 8 divisors (see below), whose sum is σ = 64317882975708. Its totient is φ = 21439263809520.

The previous prime is 42878558134729. The next prime is 42878558134931. The reversal of 42878558134754 is 45743185587824.

It can be written as a sum of positive squares in 2 ways, for example, as 41482552083025 + 1396006051729 = 6440695^2 + 1181527^2 .

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

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, 3714377 + ... + 9977660.

Almost surely, 2^{42878558134754} is an apocalyptic number.

42878558134754 is a deficient number, since it is larger than the sum of its proper divisors (21439324840954).

42878558134754 is a wasteful number, since it uses less digits than its factorization.

42878558134754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15257860.

The product of its digits is 1204224000, while the sum is 71.

The spelling of 42878558134754 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fifty-eight million, one hundred thirty-four thousand, seven hundred fifty-four".