380286863515815 has 128 divisors (see below), whose sum is σ = 644151940024320. Its totient is φ = 191307171686400.

The previous prime is 380286863515777. The next prime is 380286863515837. The reversal of 380286863515815 is 518515368682083.

It is not a de Polignac number, because 380286863515815 - 2⁴⁵ = 345102491426983 is a prime.

It is a super-2 number, since 2×380286863515815² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380286863515815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1548358452 + ... + 1548604038.

It is an arithmetic number, because the mean of its divisors is an integer number (5032437031440).

Almost surely, 2^{380286863515815} is an apocalyptic number.

380286863515815 is a deficient number, since it is larger than the sum of its proper divisors (263865076508505).

380286863515815 is a wasteful number, since it uses less digits than its factorization.

380286863515815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246153.

The product of its (nonzero) digits is 331776000, while the sum is 69.

The spelling of 380286863515815 in words is "three hundred eighty trillion, two hundred eighty-six billion, eight hundred sixty-three million, five hundred fifteen thousand, eight hundred fifteen".