79004889 has 24 divisors (see below), whose sum is σ = 121112992. Its totient is φ = 51438240.

The previous prime is 79004881. The next prime is 79004897. The reversal of 79004889 is 98840097.

It is an interprime number because it is at equal distance from previous prime (79004881) and next prime (79004897).

It is not a de Polignac number, because 79004889 - 2³ = 79004881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79004881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6669 + ... + 14229.

Almost surely, 2^79004889 is an apocalyptic number.

It is an amenable number.

79004889 is a deficient number, since it is larger than the sum of its proper divisors (42108103).

79004889 is an equidigital number, since it uses as much as digits as its factorization.

79004889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619 (or 7607 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 79004889 is about 8888.4694407980. The cubic root of 79004889 is about 429.0928939626.

The spelling of 79004889 in words is "seventy-nine million, four thousand, eight hundred eighty-nine".