77930589 has 16 divisors (see below), whose sum is σ = 113932800. Its totient is φ = 46989360.

The previous prime is 77930579. The next prime is 77930591. The reversal of 77930589 is 98503977.

It is not a de Polignac number, because 77930589 - 2⁵ = 77930557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77930549) 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 15 ways as a sum of consecutive naturals, for example, 634 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (7120800).

Almost surely, 2^77930589 is an apocalyptic number.

It is an amenable number.

77930589 is a deficient number, since it is larger than the sum of its proper divisors (36002211).

77930589 is a wasteful number, since it uses less digits than its factorization.

77930589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 77930589 is about 8827.8303676498. The cubic root of 77930589 is about 427.1390914492.

The spelling of 77930589 in words is "seventy-seven million, nine hundred thirty thousand, five hundred eighty-nine".