3582378678015 has 12 divisors (see below), whose sum is σ = 6209456375304. Its totient is φ = 1910601961584.

The previous prime is 3582378677957. The next prime is 3582378678029. The reversal of 3582378678015 is 5108768732853.

3582378678015 is a `hidden beast` number, since 3 + 582 + 37 + 8 + 6 + 7 + 8 + 0 + 15 = 666.

It is not a de Polignac number, because 3582378678015 - 2⁹ = 3582378677503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39804207489 + ... + 39804207578.

It is an arithmetic number, because the mean of its divisors is an integer number (517454697942).

Almost surely, 2^{3582378678015} is an apocalyptic number.

3582378678015 is a deficient number, since it is larger than the sum of its proper divisors (2627077697289).

3582378678015 is a wasteful number, since it uses less digits than its factorization.

3582378678015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79608415078 (or 79608415075 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 3582378678015 in words is "three trillion, five hundred eighty-two billion, three hundred seventy-eight million, six hundred seventy-eight thousand, fifteen".