42878514247547 has 8 divisors (see below), whose sum is σ = 46853622884352. Its totient is φ = 38916249258600.

The previous prime is 42878514247537. The next prime is 42878514247553. The reversal of 42878514247547 is 74574241587824.

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 42878514247547 - 2⁴ = 42878514247531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42878514247537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3210904979 + ... + 3210918332.

It is an arithmetic number, because the mean of its divisors is an integer number (5856702860544).

Almost surely, 2^{42878514247547} is an apocalyptic number.

42878514247547 is a deficient number, since it is larger than the sum of its proper divisors (3975108636805).

42878514247547 is a wasteful number, since it uses less digits than its factorization.

42878514247547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421823929.

The product of its digits is 561971200, while the sum is 68.

The spelling of 42878514247547 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fourteen million, two hundred forty-seven thousand, five hundred forty-seven".