380142878667 has 16 divisors (see below), whose sum is σ = 513299504640. Its totient is φ = 250207749792.

The previous prime is 380142878641. The next prime is 380142878671. The reversal of 380142878667 is 766878241083.

It is a happy number.

It is not a de Polignac number, because 380142878667 - 2⁷ = 380142878539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380142878667.

It is not an unprimeable number, because it can be changed into a prime (380142878767) 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, 7387008 + ... + 7438290.

It is an arithmetic number, because the mean of its divisors is an integer number (32081219040).

Almost surely, 2^380142878667 is an apocalyptic number.

380142878667 is a deficient number, since it is larger than the sum of its proper divisors (133156625973).

380142878667 is a wasteful number, since it uses less digits than its factorization.

380142878667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82642.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 380142878667 in words is "three hundred eighty billion, one hundred forty-two million, eight hundred seventy-eight thousand, six hundred sixty-seven".