387573487073 has 2 divisors, whose sum is σ = 387573487074. Its totient is φ = 387573487072.

The previous prime is 387573487069. The next prime is 387573487111. The reversal of 387573487073 is 370784375783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351900476944 + 35673010129 = 593212^2 + 188873^2 .

It is a cyclic number.

It is not a de Polignac number, because 387573487073 - 2² = 387573487069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387573486997 and 387573487015.

It is not a weakly prime, because it can be changed into another prime (387573487003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193786743536 + 193786743537.

It is an arithmetic number, because the mean of its divisors is an integer number (193786743537).

Almost surely, 2^387573487073 is an apocalyptic number.

It is an amenable number.

387573487073 is a deficient number, since it is larger than the sum of its proper divisors (1).

387573487073 is an equidigital number, since it uses as much as digits as its factorization.

387573487073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 387573487073 in words is "three hundred eighty-seven billion, five hundred seventy-three million, four hundred eighty-seven thousand, seventy-three".