1088879861 has 2 divisors, whose sum is σ = 1088879862. Its totient is φ = 1088879860.

The previous prime is 1088879843. The next prime is 1088879863. The reversal of 1088879861 is 1689788801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677560900 + 411318961 = 26030^2 + 20281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088879861 - 2¹⁰ = 1088878837 is a prime.

Together with 1088879863, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1088879797 and 1088879806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088879863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544439930 + 544439931.

It is an arithmetic number, because the mean of its divisors is an integer number (544439931).

Almost surely, 2^1088879861 is an apocalyptic number.

It is an amenable number.

1088879861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088879861 is an equidigital number, since it uses as much as digits as its factorization.

1088879861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 56.

The square root of 1088879861 is about 32998.1796619147. The cubic root of 1088879861 is about 1028.7898128330.

The spelling of 1088879861 in words is "one billion, eighty-eight million, eight hundred seventy-nine thousand, eight hundred sixty-one".