380711578885 has 24 divisors (see below), whose sum is σ = 502811963640. Its totient is φ = 276522618240.

The previous prime is 380711578883. The next prime is 380711578901. The reversal of 380711578885 is 588875117083.

It can be written as a sum of positive squares in 4 ways, for example, as 2961209889 + 377750368996 = 54417^2 + 614614^2 .

It is not a de Polignac number, because 380711578885 - 2¹ = 380711578883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380711578883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60631 + ... + 874699.

It is an arithmetic number, because the mean of its divisors is an integer number (20950498485).

Almost surely, 2^380711578885 is an apocalyptic number.

It is an amenable number.

380711578885 is a deficient number, since it is larger than the sum of its proper divisors (122100384755).

380711578885 is a wasteful number, since it uses less digits than its factorization.

380711578885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814869 (or 814858 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 61.

The spelling of 380711578885 in words is "three hundred eighty billion, seven hundred eleven million, five hundred seventy-eight thousand, eight hundred eighty-five".