5277777761 has 4 divisors (see below), whose sum is σ = 5278820352. Its totient is φ = 5276735172.

The previous prime is 5277777719. The next prime is 5277777793. The reversal of 5277777761 is 1677777725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5277777761 - 2²² = 5273583457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5277777697 and 5277777706.

It is not an unprimeable number, because it can be changed into a prime (5277777361) 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, 513665 + ... + 523838.

It is an arithmetic number, because the mean of its divisors is an integer number (1319705088).

Almost surely, 2^5277777761 is an apocalyptic number.

It is an amenable number.

5277777761 is a deficient number, since it is larger than the sum of its proper divisors (1042591).

5277777761 is a wasteful number, since it uses less digits than its factorization.

5277777761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042590.

The product of its digits is 7058940, while the sum is 56.

The square root of 5277777761 is about 72648.3156102053. The cubic root of 5277777761 is about 1741.0732095256.

The spelling of 5277777761 in words is "five billion, two hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred sixty-one".