42878330007075 has 72 divisors (see below), whose sum is σ = 79496594098688. Its totient is φ = 22075176291840.

The previous prime is 42878330007053. The next prime is 42878330007089. The reversal of 42878330007075 is 57070003387824.

It is a happy number.

42878330007075 is a `hidden beast` number, since 428 + 7 + 83 + 3 + 0 + 0 + 0 + 70 + 75 = 666.

It is not a de Polignac number, because 42878330007075 - 2¹³ = 42878329998883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19220482 + ... + 21335031.

Almost surely, 2^{42878330007075} is an apocalyptic number.

42878330007075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42878330007075 is a deficient number, since it is larger than the sum of its proper divisors (36618264091613).

42878330007075 is a wasteful number, since it uses less digits than its factorization.

42878330007075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40555693 (or 40555685 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 42878330007075 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred thirty million, seven thousand, seventy-five".