42722688990879 has 8 divisors (see below), whose sum is σ = 63292872579120. Its totient is φ = 28481792660568.

The previous prime is 42722688990859. The next prime is 42722688990881. The reversal of 42722688990879 is 97809988622724.

42722688990879 is a `hidden beast` number, since 4 + 272 + 268 + 8 + 9 + 9 + 0 + 87 + 9 = 666.

It is not a de Polignac number, because 42722688990879 - 2⁵ = 42722688990847 is a prime.

It is a super-2 number, since 2×42722688990879² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42722688990798 and 42722688990807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42722688990859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791160907212 + ... + 791160907265.

It is an arithmetic number, because the mean of its divisors is an integer number (7911609072390).

Almost surely, 2^{42722688990879} is an apocalyptic number.

42722688990879 is a deficient number, since it is larger than the sum of its proper divisors (20570183588241).

42722688990879 is a wasteful number, since it uses less digits than its factorization.

42722688990879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582321814486 (or 1582321814480 counting only the distinct ones).

The product of its (nonzero) digits is 3511517184, while the sum is 81.

The spelling of 42722688990879 in words is "forty-two trillion, seven hundred twenty-two billion, six hundred eighty-eight million, nine hundred ninety thousand, eight hundred seventy-nine".