878766646034133 has 24 divisors (see below), whose sum is σ = 1341178445119968. Its totient is φ = 574790762177424.

The previous prime is 878766646034131. The next prime is 878766646034153. The reversal of 878766646034133 is 331430646667878.

It is not a de Polignac number, because 878766646034133 - 2¹ = 878766646034131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878766646034131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34116247935 + ... + 34116273692.

It is an arithmetic number, because the mean of its divisors is an integer number (55882435213332).

Almost surely, 2^{878766646034133} is an apocalyptic number.

It is an amenable number.

878766646034133 is a deficient number, since it is larger than the sum of its proper divisors (462411799085835).

878766646034133 is an equidigital number, since it uses as much as digits as its factorization.

878766646034133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68232521695 (or 68232521683 counting only the distinct ones).

The product of its (nonzero) digits is 1755758592, while the sum is 72.

The spelling of 878766646034133 in words is "eight hundred seventy-eight trillion, seven hundred sixty-six billion, six hundred forty-six million, thirty-four thousand, one hundred thirty-three".