2391347885 has 8 divisors (see below), whose sum is σ = 3020650080. Its totient is φ = 1812389904.

The previous prime is 2391347873. The next prime is 2391347929. The reversal of 2391347885 is 5887431932.

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 2391347885 - 2¹² = 2391343789 is a prime.

It is a congruent number.

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, 12585947 + ... + 12586136.

It is an arithmetic number, because the mean of its divisors is an integer number (377581260).

Almost surely, 2^2391347885 is an apocalyptic number.

It is an amenable number.

2391347885 is a deficient number, since it is larger than the sum of its proper divisors (629302195).

2391347885 is a wasteful number, since it uses less digits than its factorization.

2391347885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25172107.

The product of its digits is 1451520, while the sum is 50.

The square root of 2391347885 is about 48901.4098467519. The cubic root of 2391347885 is about 1337.2550709973.

The spelling of 2391347885 in words is "two billion, three hundred ninety-one million, three hundred forty-seven thousand, eight hundred eighty-five".