5720801987 has 4 divisors (see below), whose sum is σ = 5721402720. Its totient is φ = 5720201256.

The previous prime is 5720801981. The next prime is 5720801993. The reversal of 5720801987 is 7891080275.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5720801981) and next prime (5720801993).

It is a cyclic number.

It is not a de Polignac number, because 5720801987 - 2¹⁶ = 5720736451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5720801981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285848 + ... + 305205.

It is an arithmetic number, because the mean of its divisors is an integer number (1430350680).

Almost surely, 2^5720801987 is an apocalyptic number.

5720801987 is a deficient number, since it is larger than the sum of its proper divisors (600733).

5720801987 is an equidigital number, since it uses as much as digits as its factorization.

5720801987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600732.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 5720801987 is about 75635.9834139809. The cubic root of 5720801987 is about 1788.4863859482.

The spelling of 5720801987 in words is "five billion, seven hundred twenty million, eight hundred one thousand, nine hundred eighty-seven".