878953 has 2 divisors, whose sum is σ = 878954. Its totient is φ = 878952.

The previous prime is 878939. The next prime is 878957. The reversal of 878953 is 359878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 8464 = 933^2 + 92^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-878953 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (878957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439476 + 439477.

It is an arithmetic number, because the mean of its divisors is an integer number (439477).

2⁸⁷⁸⁹⁵³ is an apocalyptic number.

It is an amenable number.

878953 is a deficient number, since it is larger than the sum of its proper divisors (1).

878953 is an equidigital number, since it uses as much as digits as its factorization.

878953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 878953 is about 937.5249330018. The cubic root of 878953 is about 95.7903773878.

It can be divided in two parts, 8 and 78953, that added together give a square (78961 = 281²).

The spelling of 878953 in words is "eight hundred seventy-eight thousand, nine hundred fifty-three".