38678858812287 has 64 divisors (see below), whose sum is σ = 62430583705600. Its totient is φ = 23577345060480.

The previous prime is 38678858812247. The next prime is 38678858812291. The reversal of 38678858812287 is 78221885887683.

38678858812287 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 8 + 8 + 588 + 1 + 2 + 28 + 7 = 666.

It is not a de Polignac number, because 38678858812287 - 2⁷ = 38678858812159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678858812247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2671533 + ... + 9192105.

It is an arithmetic number, because the mean of its divisors is an integer number (975477870400).

Almost surely, 2^{38678858812287} is an apocalyptic number.

38678858812287 is a deficient number, since it is larger than the sum of its proper divisors (23751724893313).

38678858812287 is a wasteful number, since it uses less digits than its factorization.

38678858812287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521005 (or 6520999 counting only the distinct ones).

The product of its digits is 4624220160, while the sum is 81.

The spelling of 38678858812287 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred fifty-eight million, eight hundred twelve thousand, two hundred eighty-seven".