5187178766 has 24 divisors (see below), whose sum is σ = 9774191280. Its totient is φ = 2020978080.

The previous prime is 5187178687. The next prime is 5187178769. The reversal of 5187178766 is 6678717815.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187178769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1529351 + ... + 1532738.

It is an arithmetic number, because the mean of its divisors is an integer number (407257970).

Almost surely, 2^5187178766 is an apocalyptic number.

5187178766 is a deficient number, since it is larger than the sum of its proper divisors (4587012514).

5187178766 is a wasteful number, since it uses less digits than its factorization.

5187178766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062120 (or 3062109 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 56.

The square root of 5187178766 is about 72022.0713809316. The cubic root of 5187178766 is about 1731.0531600748.

The spelling of 5187178766 in words is "five billion, one hundred eighty-seven million, one hundred seventy-eight thousand, seven hundred sixty-six".