7742806959 has 16 divisors (see below), whose sum is σ = 10497483360. Its totient is φ = 5075642880.

The previous prime is 7742806937. The next prime is 7742806979. The reversal of 7742806959 is 9596082477.

It is not a de Polignac number, because 7742806959 - 2⁹ = 7742806447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7742806899 and 7742806908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742806979) 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, 31782 + ... + 128435.

It is an arithmetic number, because the mean of its divisors is an integer number (656092710).

Almost surely, 2^7742806959 is an apocalyptic number.

7742806959 is a deficient number, since it is larger than the sum of its proper divisors (2754676401).

7742806959 is a wasteful number, since it uses less digits than its factorization.

7742806959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160490.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The square root of 7742806959 is about 87993.2210968550. The cubic root of 7742806959 is about 1978.3333728200. Note that the first 4 decimals are identical.

The spelling of 7742806959 in words is "seven billion, seven hundred forty-two million, eight hundred six thousand, nine hundred fifty-nine".