42878537145862 has 32 divisors (see below), whose sum is σ = 70621237854720. Its totient is φ = 19363511026080.

The previous prime is 42878537145833. The next prime is 42878537145863. The reversal of 42878537145862 is 26854173587824.

It is a junction number, because it is equal to n+sod(n) for n = 42878537145791 and 42878537145800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878537145863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25102339 + ... + 26756017.

It is an arithmetic number, because the mean of its divisors is an integer number (2206913682960).

Almost surely, 2^{42878537145862} is an apocalyptic number.

42878537145862 is a deficient number, since it is larger than the sum of its proper divisors (27742700708858).

42878537145862 is a wasteful number, since it uses less digits than its factorization.

42878537145862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661356.

The product of its digits is 722534400, while the sum is 70.

The spelling of 42878537145862 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-seven million, one hundred forty-five thousand, eight hundred sixty-two".