5171778492 has 24 divisors (see below), whose sum is σ = 12702614400. Its totient is φ = 1633193136.

The previous prime is 5171778487. The next prime is 5171778497. The reversal of 5171778492 is 2948771715.

It is an interprime number because it is at equal distance from previous prime (5171778487) and next prime (5171778497).

It is a super-3 number, since 3×5171778492³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171778497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11341392 + ... + 11341847.

It is an arithmetic number, because the mean of its divisors is an integer number (529275600).

Almost surely, 2^5171778492 is an apocalyptic number.

It is an amenable number.

5171778492 is an abundant number, since it is smaller than the sum of its proper divisors (7530835908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171778492 is a wasteful number, since it uses less digits than its factorization.

5171778492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683265 (or 22683263 counting only the distinct ones).

The product of its digits is 987840, while the sum is 51.

The square root of 5171778492 is about 71915.0783354923. The cubic root of 5171778492 is about 1729.3383474434.

The spelling of 5171778492 in words is "five billion, one hundred seventy-one million, seven hundred seventy-eight thousand, four hundred ninety-two".