42878536875131 has 8 divisors (see below), whose sum is σ = 42899289435600. Its totient is φ = 42857787893760.

The previous prime is 42878536875127. The next prime is 42878536875151. The reversal of 42878536875131 is 13157863587824.

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

It is a cyclic number.

It is not a de Polignac number, because 42878536875131 - 2² = 42878536875127 is a prime.

It is a super-2 number, since 2×42878536875131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42878536875121) 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, 23228696 + ... + 25006586.

It is an arithmetic number, because the mean of its divisors is an integer number (5362411179450).

Almost surely, 2^{42878536875131} is an apocalyptic number.

42878536875131 is a deficient number, since it is larger than the sum of its proper divisors (20752560469).

42878536875131 is a wasteful number, since it uses less digits than its factorization.

42878536875131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789549.

The product of its digits is 270950400, while the sum is 68.

The spelling of 42878536875131 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-six million, eight hundred seventy-five thousand, one hundred thirty-one".