214678358765 has 16 divisors (see below), whose sum is σ = 277695054000. Its totient is φ = 158380534272.

The previous prime is 214678358701. The next prime is 214678358813. The reversal of 214678358765 is 567853876412.

It can be written as a sum of positive squares in 8 ways, for example, as 514881481 + 214163477284 = 22691^2 + 462778^2 .

It is a cyclic number.

It is not a de Polignac number, because 214678358765 - 2⁶ = 214678358701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214678358698 and 214678358707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506050 + ... + 1642419.

It is an arithmetic number, because the mean of its divisors is an integer number (17355940875).

Almost surely, 2^214678358765 is an apocalyptic number.

It is an amenable number.

214678358765 is a deficient number, since it is larger than the sum of its proper divisors (63016695235).

214678358765 is a wasteful number, since it uses less digits than its factorization.

214678358765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149536.

The product of its digits is 67737600, while the sum is 62.

The spelling of 214678358765 in words is "two hundred fourteen billion, six hundred seventy-eight million, three hundred fifty-eight thousand, seven hundred sixty-five".