7742315850427 has 4 divisors (see below), whose sum is σ = 7742588217520. Its totient is φ = 7742043483336.

The previous prime is 7742315850421. The next prime is 7742315850439. The reversal of 7742315850427 is 7240585132477.

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

It is a cyclic number.

It is not a de Polignac number, because 7742315850427 - 2¹⁵ = 7742315817659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7742315850421) 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, 136140903 + ... + 136197760.

It is an arithmetic number, because the mean of its divisors is an integer number (1935647054380).

Almost surely, 2^{7742315850427} is an apocalyptic number.

7742315850427 is a deficient number, since it is larger than the sum of its proper divisors (272367093).

7742315850427 is a wasteful number, since it uses less digits than its factorization.

7742315850427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272367092.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 7742315850427 in words is "seven trillion, seven hundred forty-two billion, three hundred fifteen million, eight hundred fifty thousand, four hundred twenty-seven".