5177770805 has 4 divisors (see below), whose sum is σ = 6213324972. Its totient is φ = 4142216640.

The previous prime is 5177770799. The next prime is 5177770811. The reversal of 5177770805 is 5080777715.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5177770799) and next prime (5177770811).

It can be written as a sum of positive squares in 2 ways, for example, as 669722641 + 4508048164 = 25879^2 + 67142^2 .

It is not a de Polignac number, because 5177770805 - 2⁴ = 5177770789 is a prime.

It is a super-2 number, since 2×5177770805² = 53618621018220696050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5177770805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517777076 + ... + 517777085.

It is an arithmetic number, because the mean of its divisors is an integer number (1553331243).

Almost surely, 2^5177770805 is an apocalyptic number.

It is an amenable number.

5177770805 is a deficient number, since it is larger than the sum of its proper divisors (1035554167).

5177770805 is a wasteful number, since it uses less digits than its factorization.

5177770805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035554166.

The product of its (nonzero) digits is 480200, while the sum is 47.

The square root of 5177770805 is about 71956.7286985727. The cubic root of 5177770805 is about 1730.0059924949.

The spelling of 5177770805 in words is "five billion, one hundred seventy-seven million, seven hundred seventy thousand, eight hundred five".