42878277144761 has 8 divisors (see below), whose sum is σ = 43007814673824. Its totient is φ = 42748753239360.

The previous prime is 42878277144743. The next prime is 42878277144803. The reversal of 42878277144761 is 16744177287824.

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 42878277144761 - 2⁶ = 42878277144697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42878277144691 and 42878277144700.

It is not an unprimeable number, because it can be changed into a prime (42878277144721) 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, 2915966 + ... + 9708728.

It is an arithmetic number, because the mean of its divisors is an integer number (5375976834228).

Almost surely, 2^{42878277144761} is an apocalyptic number.

It is an amenable number.

42878277144761 is a deficient number, since it is larger than the sum of its proper divisors (129537529063).

42878277144761 is a wasteful number, since it uses less digits than its factorization.

42878277144761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811831.

The product of its digits is 236027904, while the sum is 68.

The spelling of 42878277144761 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-seven million, one hundred forty-four thousand, seven hundred sixty-one".