788879569 has 3 divisors (see below), whose sum is σ = 788907657. Its totient is φ = 788851482.

The previous prime is 788879561. The next prime is 788879573. The reversal of 788879569 is 965978887.

The square root of 788879569 is 28087.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 965978887 = 20939 ⋅46133.

It is not a de Polignac number, because 788879569 - 2³ = 788879561 is a prime.

It is a super-2 number, since 2×788879569² = 1244661948771251522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788879561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14044 + ... + 42130.

It is an arithmetic number, because the mean of its divisors is an integer number (262969219).

Almost surely, 2^788879569 is an apocalyptic number.

788879569 is the 28087-th square number.

788879569 is the 14044-th centered octagonal number.

It is an amenable number.

788879569 is a deficient number, since it is larger than the sum of its proper divisors (28088).

788879569 is an frugal number, since it uses more digits than its factorization.

788879569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56174 (or 28087 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 67.

The cubic root of 788879569 is about 923.9963085408.

The spelling of 788879569 in words is "seven hundred eighty-eight million, eight hundred seventy-nine thousand, five hundred sixty-nine".