5165865773 has 8 divisors (see below), whose sum is σ = 5254546560. Its totient is φ = 5077222560.

The previous prime is 5165865767. The next prime is 5165865779. The reversal of 5165865773 is 3775685615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5165865767) and next prime (5165865779).

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 5165865773 - 2⁸ = 5165865517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165865779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526553 + ... + 536273.

It is an arithmetic number, because the mean of its divisors is an integer number (656818320).

Almost surely, 2^5165865773 is an apocalyptic number.

It is an amenable number.

5165865773 is a deficient number, since it is larger than the sum of its proper divisors (88680787).

5165865773 is an equidigital number, since it uses as much as digits as its factorization.

5165865773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18787.

The product of its digits is 5292000, while the sum is 53.

The square root of 5165865773 is about 71873.9575437446. The cubic root of 5165865773 is about 1728.6790648347.

The spelling of 5165865773 in words is "five billion, one hundred sixty-five million, eight hundred sixty-five thousand, seven hundred seventy-three".