7898547742 has 8 divisors (see below), whose sum is σ = 11883616632. Its totient is φ = 3937342200.

The previous prime is 7898547733. The next prime is 7898547749. The reversal of 7898547742 is 2477458987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7898547749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5965009 + ... + 5966332.

It is an arithmetic number, because the mean of its divisors is an integer number (1485452079).

Almost surely, 2^7898547742 is an apocalyptic number.

7898547742 is a deficient number, since it is larger than the sum of its proper divisors (3985068890).

7898547742 is a wasteful number, since it uses less digits than its factorization.

7898547742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931674.

The product of its digits is 31610880, while the sum is 61.

The square root of 7898547742 is about 88873.7742081431. The cubic root of 7898547742 is about 1991.5096531750.

The spelling of 7898547742 in words is "seven billion, eight hundred ninety-eight million, five hundred forty-seven thousand, seven hundred forty-two".