5112166777 has 4 divisors (see below), whose sum is σ = 5288448420. Its totient is φ = 4935885136.

The previous prime is 5112166739. The next prime is 5112166819. The reversal of 5112166777 is 7776612115.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4263959401 + 848207376 = 65299^2 + 29124^2 .

It is a cyclic number.

It is not a de Polignac number, because 5112166777 - 2⁷ = 5112166649 is a prime.

It is a super-2 number, since 2×5112166777² = 52268498311725135458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5112166727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88140778 + ... + 88140835.

It is an arithmetic number, because the mean of its divisors is an integer number (1322112105).

Almost surely, 2^5112166777 is an apocalyptic number.

It is an amenable number.

5112166777 is a deficient number, since it is larger than the sum of its proper divisors (176281643).

5112166777 is a wasteful number, since it uses less digits than its factorization.

5112166777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176281642.

The product of its digits is 123480, while the sum is 43.

The square root of 5112166777 is about 71499.4180186105. The cubic root of 5112166777 is about 1722.6683363422.

The spelling of 5112166777 in words is "five billion, one hundred twelve million, one hundred sixty-six thousand, seven hundred seventy-seven".