378387884455587 has 24 divisors (see below), whose sum is σ = 547064996774400. Its totient is φ = 252025698907248.

The previous prime is 378387884455573. The next prime is 378387884455699. The reversal of 378387884455587 is 785554488783873.

378387884455587 is a `hidden beast` number, since 3 + 7 + 8 + 3 + 8 + 7 + 8 + 8 + 4 + 45 + 558 + 7 = 666.

It is not a de Polignac number, because 378387884455587 - 2⁴ = 378387884455571 is a prime.

It is a super-2 number, since 2×378387884455587² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378387884455497 and 378387884455506.

It is not an unprimeable number, because it can be changed into a prime (378387884355587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78001114 + ... + 82710032.

It is an arithmetic number, because the mean of its divisors is an integer number (22794374865600).

Almost surely, 2^{378387884455587} is an apocalyptic number.

378387884455587 is a deficient number, since it is larger than the sum of its proper divisors (168677112318813).

378387884455587 is a wasteful number, since it uses less digits than its factorization.

378387884455587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717167 (or 4717164 counting only the distinct ones).

The product of its digits is 202309632000, while the sum is 90.

The spelling of 378387884455587 in words is "three hundred seventy-eight trillion, three hundred eighty-seven billion, eight hundred eighty-four million, four hundred fifty-five thousand, five hundred eighty-seven".