573220581987 has 16 divisors (see below), whose sum is σ = 796824407808. Its totient is φ = 366217269600.

The previous prime is 573220581953. The next prime is 573220581991. The reversal of 573220581987 is 789185022375.

It is not a de Polignac number, because 573220581987 - 2³⁴ = 556040712803 is a prime.

It is a super-2 number, since 2×573220581987² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (573220581917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41913639 + ... + 41927312.

It is an arithmetic number, because the mean of its divisors is an integer number (49801525488).

Almost surely, 2^573220581987 is an apocalyptic number.

573220581987 is a deficient number, since it is larger than the sum of its proper divisors (223603825821).

573220581987 is a wasteful number, since it uses less digits than its factorization.

573220581987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83841050.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 573220581987 in words is "five hundred seventy-three billion, two hundred twenty million, five hundred eighty-one thousand, nine hundred eighty-seven".