52577967387 has 48 divisors (see below), whose sum is σ = 81322561152. Its totient is φ = 29960647680.

The previous prime is 52577967373. The next prime is 52577967391. The reversal of 52577967387 is 78376977525.

It is a happy number.

It is not a de Polignac number, because 52577967387 - 2¹⁹ = 52577443099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52577967347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12233823 + ... + 12238119.

It is an arithmetic number, because the mean of its divisors is an integer number (1694220024).

Almost surely, 2^52577967387 is an apocalyptic number.

52577967387 is a deficient number, since it is larger than the sum of its proper divisors (28744593765).

52577967387 is a wasteful number, since it uses less digits than its factorization.

52577967387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628 (or 5611 counting only the distinct ones).

The product of its digits is 155584800, while the sum is 66.

The spelling of 52577967387 in words is "fifty-two billion, five hundred seventy-seven million, nine hundred sixty-seven thousand, three hundred eighty-seven".