4917927805 has 16 divisors (see below), whose sum is σ = 6804278784. Its totient is φ = 3342447360.

The previous prime is 4917927797. The next prime is 4917927809. The reversal of 4917927805 is 5087297194.

4917927805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4917927805 - 2³ = 4917927797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917927809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617781 + ... + 625690.

It is an arithmetic number, because the mean of its divisors is an integer number (425267424).

Almost surely, 2^4917927805 is an apocalyptic number.

It is an amenable number.

4917927805 is a deficient number, since it is larger than the sum of its proper divisors (1886350979).

4917927805 is a wasteful number, since it uses less digits than its factorization.

4917927805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243596.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 4917927805 is about 70127.9388332496. The cubic root of 4917927805 is about 1700.5681843559.

The spelling of 4917927805 in words is "four billion, nine hundred seventeen million, nine hundred twenty-seven thousand, eight hundred five".