42878277144870 has 16 divisors (see below), whose sum is σ = 102907865147760. Its totient is φ = 11434207238624.

The previous prime is 42878277144841. The next prime is 42878277144877. The reversal of 42878277144870 is 7844177287824.

It is a junction number, because it is equal to n+sod(n) for n = 42878277144795 and 42878277144804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878277144877) 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, 714637952385 + ... + 714637952444.

It is an arithmetic number, because the mean of its divisors is an integer number (6431741571735).

Almost surely, 2^{42878277144870} is an apocalyptic number.

42878277144870 is an abundant number, since it is smaller than the sum of its proper divisors (60029588002890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42878277144870 is a wasteful number, since it uses less digits than its factorization.

42878277144870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429275904839.

The product of its (nonzero) digits is 314703872, while the sum is 69.

The spelling of 42878277144870 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-seven million, one hundred forty-four thousand, eight hundred seventy".