30878864443 has 6 divisors (see below), whose sum is σ = 35920311756. Its totient is φ = 26467598052.

The previous prime is 30878864381. The next prime is 30878864477. The reversal of 30878864443 is 34446887803.

It is not a de Polignac number, because 30878864443 - 2¹⁷ = 30878733371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30878804443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315090405 + ... + 315090502.

It is an arithmetic number, because the mean of its divisors is an integer number (5986718626).

Almost surely, 2^30878864443 is an apocalyptic number.

30878864443 is a deficient number, since it is larger than the sum of its proper divisors (5041447313).

30878864443 is an equidigital number, since it uses as much as digits as its factorization.

30878864443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630180921 (or 630180914 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 30878864443 in words is "thirty billion, eight hundred seventy-eight million, eight hundred sixty-four thousand, four hundred forty-three".