7487847849 has 8 divisors (see below), whose sum is σ = 10305855232. Its totient is φ = 4830869520.

The previous prime is 7487847833. The next prime is 7487847853. The reversal of 7487847849 is 9487487847.

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

It is not a de Polignac number, because 7487847849 - 2⁴ = 7487847833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7487847849.

It is not an unprimeable number, because it can be changed into a prime (7487847859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40257154 + ... + 40257339.

It is an arithmetic number, because the mean of its divisors is an integer number (1288231904).

Almost surely, 2^7487847849 is an apocalyptic number.

It is an amenable number.

7487847849 is a deficient number, since it is larger than the sum of its proper divisors (2818007383).

7487847849 is a wasteful number, since it uses less digits than its factorization.

7487847849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80514527.

The product of its digits is 101154816, while the sum is 66.

The square root of 7487847849 is about 86532.3514588619. The cubic root of 7487847849 is about 1956.3760476863.

The spelling of 7487847849 in words is "seven billion, four hundred eighty-seven million, eight hundred forty-seven thousand, eight hundred forty-nine".