879796969 has 2 divisors, whose sum is σ = 879796970. Its totient is φ = 879796968.

The previous prime is 879796921. The next prime is 879796987. The reversal of 879796969 is 969697978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875449744 + 4347225 = 29588^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 879796969 - 2⁹ = 879796457 is a prime.

It is a super-2 number, since 2×879796969² = 1548085413323173922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 879796898 and 879796907.

It is not a weakly prime, because it can be changed into another prime (879796999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439898484 + 439898485.

It is an arithmetic number, because the mean of its divisors is an integer number (439898485).

Almost surely, 2^879796969 is an apocalyptic number.

It is an amenable number.

879796969 is a deficient number, since it is larger than the sum of its proper divisors (1).

879796969 is an equidigital number, since it uses as much as digits as its factorization.

879796969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92588832, while the sum is 70.

The square root of 879796969 is about 29661.3716641695. The cubic root of 879796969 is about 958.2102682619.

The spelling of 879796969 in words is "eight hundred seventy-nine million, seven hundred ninety-six thousand, nine hundred sixty-nine".