879426553 has 2 divisors, whose sum is σ = 879426554. Its totient is φ = 879426552.

The previous prime is 879426539. The next prime is 879426563. The reversal of 879426553 is 355624978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878707449 + 719104 = 29643^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 879426553 - 2¹³ = 879418361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879426497 and 879426506.

It is not a weakly prime, because it can be changed into another prime (879426563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439713276 + 439713277.

It is an arithmetic number, because the mean of its divisors is an integer number (439713277).

Almost surely, 2^879426553 is an apocalyptic number.

It is an amenable number.

879426553 is a deficient number, since it is larger than the sum of its proper divisors (1).

879426553 is an equidigital number, since it uses as much as digits as its factorization.

879426553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 879426553 is about 29655.1269260477. The cubic root of 879426553 is about 958.0757727471.

The spelling of 879426553 in words is "eight hundred seventy-nine million, four hundred twenty-six thousand, five hundred fifty-three".