5165766727 has 16 divisors (see below), whose sum is σ = 6016214304. Its totient is φ = 4419888000.

The previous prime is 5165766703. The next prime is 5165766731. The reversal of 5165766727 is 7276675615.

It is a happy number.

It is not a de Polignac number, because 5165766727 - 2²³ = 5157378119 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 (5165766737) 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, 91524 + ... + 136777.

It is an arithmetic number, because the mean of its divisors is an integer number (376013394).

Almost surely, 2^5165766727 is an apocalyptic number.

5165766727 is a deficient number, since it is larger than the sum of its proper divisors (850447577).

5165766727 is a wasteful number, since it uses less digits than its factorization.

5165766727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228351 (or 228329 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

The square root of 5165766727 is about 71873.2685147962. The cubic root of 5165766727 is about 1728.6680166807.

The spelling of 5165766727 in words is "five billion, one hundred sixty-five million, seven hundred sixty-six thousand, seven hundred twenty-seven".