7889347245 has 64 divisors (see below), whose sum is σ = 13812986880. Its totient is φ = 3821755392.

The previous prime is 7889347241. The next prime is 7889347303. The reversal of 7889347245 is 5427439887.

It is not a de Polignac number, because 7889347245 - 2² = 7889347241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7889347241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5745379 + ... + 5746751.

It is an arithmetic number, because the mean of its divisors is an integer number (215827920).

Almost surely, 2^7889347245 is an apocalyptic number.

It is an amenable number.

7889347245 is a deficient number, since it is larger than the sum of its proper divisors (5923639635).

7889347245 is a wasteful number, since it uses less digits than its factorization.

7889347245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 13547520, while the sum is 57.

The square root of 7889347245 is about 88821.9975287654. The cubic root of 7889347245 is about 1990.7360933525.

The spelling of 7889347245 in words is "seven billion, eight hundred eighty-nine million, three hundred forty-seven thousand, two hundred forty-five".