878126983 has 2 divisors, whose sum is σ = 878126984. Its totient is φ = 878126982.

The previous prime is 878126981. The next prime is 878127007. The reversal of 878126983 is 389621878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878126983 - 2¹ = 878126981 is a prime.

It is a super-2 number, since 2×878126983² = 1542213996545364578, which contains 22 as substring.

Together with 878126981, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 878126983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878126981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439063491 + 439063492.

It is an arithmetic number, because the mean of its divisors is an integer number (439063492).

Almost surely, 2^878126983 is an apocalyptic number.

878126983 is a deficient number, since it is larger than the sum of its proper divisors (1).

878126983 is an equidigital number, since it uses as much as digits as its factorization.

878126983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 52.

The square root of 878126983 is about 29633.2074369279. The cubic root of 878126983 is about 957.6036088734.

The spelling of 878126983 in words is "eight hundred seventy-eight million, one hundred twenty-six thousand, nine hundred eighty-three".