42855252767 has 8 divisors (see below), whose sum is σ = 43260994512. Its totient is φ = 42449608000.

The previous prime is 42855252749. The next prime is 42855252787. The reversal of 42855252767 is 76725255824.

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 42855252767 - 2⁶ = 42855252703 is a prime.

It is a super-2 number, since 2×42855252767² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42855252707) 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, 1115417 + ... + 1153197.

It is an arithmetic number, because the mean of its divisors is an integer number (5407624314).

Almost surely, 2^42855252767 is an apocalyptic number.

42855252767 is a deficient number, since it is larger than the sum of its proper divisors (405741745).

42855252767 is a wasteful number, since it uses less digits than its factorization.

42855252767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48489.

The product of its digits is 9408000, while the sum is 53.

The spelling of 42855252767 in words is "forty-two billion, eight hundred fifty-five million, two hundred fifty-two thousand, seven hundred sixty-seven".