878793241 has 2 divisors, whose sum is σ = 878793242. Its totient is φ = 878793240.

The previous prime is 878793233. The next prime is 878793277. The reversal of 878793241 is 142397878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478953225 + 399840016 = 21885^2 + 19996^2 .

It is a cyclic number.

It is not a de Polignac number, because 878793241 - 2³ = 878793233 is a prime.

It is not a weakly prime, because it can be changed into another prime (878793211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439396620 + 439396621.

It is an arithmetic number, because the mean of its divisors is an integer number (439396621).

Almost surely, 2^878793241 is an apocalyptic number.

It is an amenable number.

878793241 is a deficient number, since it is larger than the sum of its proper divisors (1).

878793241 is an equidigital number, since it uses as much as digits as its factorization.

878793241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 878793241 is about 29644.4470516824. The cubic root of 878793241 is about 957.8457339825.

The spelling of 878793241 in words is "eight hundred seventy-eight million, seven hundred ninety-three thousand, two hundred forty-one".