878242212387563 has 16 divisors (see below), whose sum is σ = 892121565572064. Its totient is φ = 864468201043200.

The previous prime is 878242212387559. The next prime is 878242212387571. The reversal of 878242212387563 is 365783212242878.

It is a cyclic number.

It is not a de Polignac number, because 878242212387563 - 2² = 878242212387559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 878242212387493 and 878242212387502.

It is not an unprimeable number, because it can be changed into a prime (878242212387523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606342113 + ... + 607788813.

It is an arithmetic number, because the mean of its divisors is an integer number (55757597848254).

Almost surely, 2^{878242212387563} is an apocalyptic number.

878242212387563 is a deficient number, since it is larger than the sum of its proper divisors (13879353184501).

878242212387563 is a wasteful number, since it uses less digits than its factorization.

878242212387563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483102.

The product of its digits is 433520640, while the sum is 68.

The spelling of 878242212387563 in words is "eight hundred seventy-eight trillion, two hundred forty-two billion, two hundred twelve million, three hundred eighty-seven thousand, five hundred sixty-three".