42756272867 has 12 divisors (see below), whose sum is σ = 53710360368. Its totient is φ = 33316575600.

The previous prime is 42756272863. The next prime is 42756272887. The reversal of 42756272867 is 76827265724.

It is not a de Polignac number, because 42756272867 - 2² = 42756272863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42756272863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25238984 + ... + 25240677.

It is an arithmetic number, because the mean of its divisors is an integer number (4475863364).

Almost surely, 2^42756272867 is an apocalyptic number.

42756272867 is a deficient number, since it is larger than the sum of its proper divisors (10954087501).

42756272867 is a wasteful number, since it uses less digits than its factorization.

42756272867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50479690 (or 50479679 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 56.

The spelling of 42756272867 in words is "forty-two billion, seven hundred fifty-six million, two hundred seventy-two thousand, eight hundred sixty-seven".