5812720831 has 8 divisors (see below), whose sum is σ = 5976437840. Its totient is φ = 5649352128.

The previous prime is 5812720807. The next prime is 5812720843. The reversal of 5812720831 is 1380272185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5812720831 is a prime.

It is a super-2 number, since 2×5812720831² = 67575446918282661122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5812720871) 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, 53046 + ... + 120163.

It is an arithmetic number, because the mean of its divisors is an integer number (747054730).

Almost surely, 2^5812720831 is an apocalyptic number.

5812720831 is a deficient number, since it is larger than the sum of its proper divisors (163717009).

5812720831 is a wasteful number, since it uses less digits than its factorization.

5812720831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174153.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5812720831 is about 76241.2016628804. The cubic root of 5812720831 is about 1798.0143567718.

The spelling of 5812720831 in words is "five billion, eight hundred twelve million, seven hundred twenty thousand, eight hundred thirty-one".