8401747385 has 8 divisors (see below), whose sum is σ = 10082614920. Its totient is φ = 6721052544.

The previous prime is 8401747373. The next prime is 8401747399. The reversal of 8401747385 is 5837471048.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3016535929 + 5385211456 = 54923^2 + 73384^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8401747385 - 2⁸ = 8401747129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119789 + ... + 176501.

It is an arithmetic number, because the mean of its divisors is an integer number (1260326865).

Almost surely, 2^8401747385 is an apocalyptic number.

It is an amenable number.

8401747385 is a deficient number, since it is larger than the sum of its proper divisors (1680867535).

8401747385 is a wasteful number, since it uses less digits than its factorization.

8401747385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86347.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 8401747385 is about 91661.0461701153. The cubic root of 8401747385 is about 2032.9336590750.

The spelling of 8401747385 in words is "eight billion, four hundred one million, seven hundred forty-seven thousand, three hundred eighty-five".