65679538 has 8 divisors (see below), whose sum is σ = 98773740. Its totient is φ = 32754960.

The previous prime is 65679529. The next prime is 65679541. The reversal of 65679538 is 83597656.

65679538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64208169 + 1471369 = 8013^2 + 1213^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65679491 and 65679500.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41433 + ... + 42988.

Almost surely, 2^65679538 is an apocalyptic number.

65679538 is a deficient number, since it is larger than the sum of its proper divisors (33094202).

65679538 is a wasteful number, since it uses less digits than its factorization.

65679538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84812.

The product of its digits is 1360800, while the sum is 49.

The square root of 65679538 is about 8104.2913323745. The cubic root of 65679538 is about 403.4688679277.

The spelling of 65679538 in words is "sixty-five million, six hundred seventy-nine thousand, five hundred thirty-eight".