42868707088897 has 4 divisors (see below), whose sum is σ = 42883711889476. Its totient is φ = 42853702288320.

The previous prime is 42868707088871. The next prime is 42868707088931. The reversal of 42868707088897 is 79888070786824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36966023040961 + 5902684047936 = 6079969^2 + 2429544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42868707088897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42868707088897.

It is not an unprimeable number, because it can be changed into a prime (42868707086897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502396004 + ... + 7502401717.

It is an arithmetic number, because the mean of its divisors is an integer number (10720927972369).

Almost surely, 2^{42868707088897} is an apocalyptic number.

It is an amenable number.

42868707088897 is a deficient number, since it is larger than the sum of its proper divisors (15004800579).

42868707088897 is a wasteful number, since it uses less digits than its factorization.

42868707088897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004800578.

The product of its (nonzero) digits is 4855431168, while the sum is 82.

The spelling of 42868707088897 in words is "forty-two trillion, eight hundred sixty-eight billion, seven hundred seven million, eighty-eight thousand, eight hundred ninety-seven".