3678026987321 has 8 divisors (see below), whose sum is σ = 3716128953600. Its totient is φ = 3639928779648.

The previous prime is 3678026987291. The next prime is 3678026987333. The reversal of 3678026987321 is 1237896208763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3678026987321 - 2¹⁰ = 3678026986297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678026987351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049300 + ... + 2908106.

It is an arithmetic number, because the mean of its divisors is an integer number (464516119200).

Almost surely, 2^{3678026987321} is an apocalyptic number.

It is an amenable number.

3678026987321 is a deficient number, since it is larger than the sum of its proper divisors (38101966279).

3678026987321 is a wasteful number, since it uses less digits than its factorization.

3678026987321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879303.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 3678026987321 in words is "three trillion, six hundred seventy-eight billion, twenty-six million, nine hundred eighty-seven thousand, three hundred twenty-one".