380712435687 has 40 divisors (see below), whose sum is σ = 579667800096. Its totient is φ = 248968194048.

The previous prime is 380712435661. The next prime is 380712435707. The reversal of 380712435687 is 786534217083.

It is a happy number.

380712435687 is a `hidden beast` number, since 3 + 8 + 0 + 71 + 2 + 4 + 3 + 568 + 7 = 666.

It is not a de Polignac number, because 380712435687 - 2¹¹ = 380712433639 is a prime.

It is a super-2 number, since 2×380712435687² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380712435287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 673438 + ... + 1102244.

Almost surely, 2^380712435687 is an apocalyptic number.

380712435687 is a deficient number, since it is larger than the sum of its proper divisors (198955364409).

380712435687 is a wasteful number, since it uses less digits than its factorization.

380712435687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429029 (or 429020 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 380712435687 in words is "three hundred eighty billion, seven hundred twelve million, four hundred thirty-five thousand, six hundred eighty-seven".