42878275077747 has 8 divisors (see below), whose sum is σ = 57171099525120. Its totient is φ = 28585483674440.

The previous prime is 42878275077721. The next prime is 42878275077749. The reversal of 42878275077747 is 74777057287824.

It is a happy number.

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 42878275077747 - 2¹⁹ = 42878274553459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42878275077749) 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, 5055579 + ... + 10550612.

It is an arithmetic number, because the mean of its divisors is an integer number (7146387440640).

Almost surely, 2^{42878275077747} is an apocalyptic number.

42878275077747 is a deficient number, since it is larger than the sum of its proper divisors (14292824447373).

42878275077747 is a wasteful number, since it uses less digits than its factorization.

42878275077747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522033.

The product of its (nonzero) digits is 2409451520, while the sum is 75.

The spelling of 42878275077747 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-five million, seventy-seven thousand, seven hundred forty-seven".