8749339478 has 8 divisors (see below), whose sum is σ = 14317101000. Its totient is φ = 3976972480.

The previous prime is 8749339471. The next prime is 8749339531.

8749339478 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8749339478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749339471) 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, 198848603 + ... + 198848646.

It is an arithmetic number, because the mean of its divisors is an integer number (1789637625).

Almost surely, 2^8749339478 is an apocalyptic number.

8749339478 is a deficient number, since it is larger than the sum of its proper divisors (5567761522).

8749339478 is a wasteful number, since it uses less digits than its factorization.

8749339478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397697262.

The product of its digits is 36578304, while the sum is 62.

The square root of 8749339478 is about 93537.9039641150. The cubic root of 8749339478 is about 2060.5907971784.

The spelling of 8749339478 in words is "eight billion, seven hundred forty-nine million, three hundred thirty-nine thousand, four hundred seventy-eight".