878772953 has 2 divisors, whose sum is σ = 878772954. Its totient is φ = 878772952.

The previous prime is 878772943. The next prime is 878773003. The reversal of 878772953 is 359277878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737828569 + 140944384 = 27163^2 + 11872^2 .

It is a cyclic number.

It is not a de Polignac number, because 878772953 - 2¹² = 878768857 is a prime.

It is not a weakly prime, because it can be changed into another prime (878772943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439386476 + 439386477.

It is an arithmetic number, because the mean of its divisors is an integer number (439386477).

Almost surely, 2^878772953 is an apocalyptic number.

It is an amenable number.

878772953 is a deficient number, since it is larger than the sum of its proper divisors (1).

878772953 is an equidigital number, since it uses as much as digits as its factorization.

878772953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 56.

The square root of 878772953 is about 29644.1048608319. The cubic root of 878772953 is about 957.8383629185.

The spelling of 878772953 in words is "eight hundred seventy-eight million, seven hundred seventy-two thousand, nine hundred fifty-three".