5313270978 has 60 divisors (see below), whose sum is σ = 12302465670. Its totient is φ = 1713908160.

The previous prime is 5313270973. The next prime is 5313271021. The reversal of 5313270978 is 8790723135.

It is a happy number.

5313270978 is a `hidden beast` number, since 531 + 3 + 27 + 0 + 97 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5141320209 + 171950769 = 71703^2 + 13113^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313270971) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 138618 + ... + 172746.

Almost surely, 2^5313270978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5313270978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6151232835).

5313270978 is an abundant number, since it is smaller than the sum of its proper divisors (6989194692).

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

5313270978 is a wasteful number, since it uses less digits than its factorization.

5313270978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34205 (or 34165 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 5313270978 is about 72892.1873591402. The cubic root of 5313270978 is about 1744.9674165173.

The spelling of 5313270978 in words is "five billion, three hundred thirteen million, two hundred seventy thousand, nine hundred seventy-eight".