5313322872 has 384 divisors, whose sum is σ = 18016992000. Its totient is φ = 1430265600.

The previous prime is 5313322837. The next prime is 5313322879. The reversal of 5313322872 is 2782233135.

5313322872 is a `hidden beast` number, since 531 + 3 + 32 + 28 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (60480) is a multiple of the sum of its prime factors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313322879) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29683279 + ... + 29683457.

It is an arithmetic number, because the mean of its divisors is an integer number (46919250).

Almost surely, 2^5313322872 is an apocalyptic number.

5313322872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5313322872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9008496000).

5313322872 is an abundant number, since it is smaller than the sum of its proper divisors (12703669128).

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

5313322872 is a wasteful number, since it uses less digits than its factorization.

5313322872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 239 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 5313322872 is about 72892.5433223454. The cubic root of 5313322872 is about 1744.9730974525.

The spelling of 5313322872 in words is "five billion, three hundred thirteen million, three hundred twenty-two thousand, eight hundred seventy-two".