7729885882342 has 32 divisors (see below), whose sum is σ = 12563550568800. Its totient is φ = 3566808614304.

The previous prime is 7729885882321. The next prime is 7729885882343. The reversal of 7729885882342 is 2432885889277.

It is a super-2 number, since 2×7729885882342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7729885882343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18862848 + ... + 19268284.

It is an arithmetic number, because the mean of its divisors is an integer number (392610955275).

Almost surely, 2^{7729885882342} is an apocalyptic number.

7729885882342 is a deficient number, since it is larger than the sum of its proper divisors (4833664686458).

7729885882342 is a wasteful number, since it uses less digits than its factorization.

7729885882342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409817 (or 409791 counting only the distinct ones).

The product of its digits is 867041280, while the sum is 73.

The spelling of 7729885882342 in words is "seven trillion, seven hundred twenty-nine billion, eight hundred eighty-five million, eight hundred eighty-two thousand, three hundred forty-two".