76989459 has 8 divisors (see below), whose sum is σ = 103391680. Its totient is φ = 50956776.

The previous prime is 76989449. The next prime is 76989467. The reversal of 76989459 is 95498967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76989459 - 2⁵ = 76989427 is a prime.

It is a super-2 number, since 2×76989459² = 11854753594225362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76989399 and 76989408.

It is not an unprimeable number, because it can be changed into a prime (76989449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91897 + ... + 92730.

It is an arithmetic number, because the mean of its divisors is an integer number (12923960).

Almost surely, 2^76989459 is an apocalyptic number.

76989459 is a deficient number, since it is larger than the sum of its proper divisors (26402221).

76989459 is a wasteful number, since it uses less digits than its factorization.

76989459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184769.

The product of its digits is 4898880, while the sum is 57.

The square root of 76989459 is about 8774.3637376165. The cubic root of 76989459 is about 425.4126722939.

The spelling of 76989459 in words is "seventy-six million, nine hundred eighty-nine thousand, four hundred fifty-nine".