788679489 has 16 divisors (see below), whose sum is σ = 1137175424. Its totient is φ = 483321600.

The previous prime is 788679481. The next prime is 788679497. The reversal of 788679489 is 984976887.

It is an interprime number because it is at equal distance from previous prime (788679481) and next prime (788679497).

It is not a de Polignac number, because 788679489 - 2³ = 788679481 is a prime.

It is a super-2 number, since 2×788679489² = 1244030672738602242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788679481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32557 + ... + 51354.

It is an arithmetic number, because the mean of its divisors is an integer number (71073464).

Almost surely, 2^788679489 is an apocalyptic number.

It is an amenable number.

788679489 is a deficient number, since it is larger than the sum of its proper divisors (348495935).

788679489 is a wasteful number, since it uses less digits than its factorization.

788679489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84168.

The product of its digits is 48771072, while the sum is 66.

The square root of 788679489 is about 28083.4379839791. The cubic root of 788679489 is about 923.9181855842.

The spelling of 788679489 in words is "seven hundred eighty-eight million, six hundred seventy-nine thousand, four hundred eighty-nine".