77326109 has 8 divisors (see below), whose sum is σ = 89069568. Its totient is φ = 65756880.

The previous prime is 77326103. The next prime is 77326129. The reversal of 77326109 is 90162377.

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

It is not a de Polignac number, because 77326109 - 2¹² = 77322013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77326103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42602 + ... + 44379.

It is an arithmetic number, because the mean of its divisors is an integer number (11133696).

Almost surely, 2^77326109 is an apocalyptic number.

It is an amenable number.

77326109 is a deficient number, since it is larger than the sum of its proper divisors (11743459).

77326109 is a wasteful number, since it uses less digits than its factorization.

77326109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87115.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 77326109 is about 8793.5265394493. The cubic root of 77326109 is about 426.0318347050.

The spelling of 77326109 in words is "seventy-seven million, three hundred twenty-six thousand, one hundred nine".