77810093 has 8 divisors (see below), whose sum is σ = 81290496. Its totient is φ = 74390400.

The previous prime is 77810077. The next prime is 77810099. The reversal of 77810093 is 39001877.

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

It is a cyclic number.

It is not a de Polignac number, because 77810093 - 2⁴ = 77810077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77810099) 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 7 ways as a sum of consecutive naturals, for example, 12548 + ... + 17693.

It is an arithmetic number, because the mean of its divisors is an integer number (10161312).

Almost surely, 2^77810093 is an apocalyptic number.

It is an amenable number.

77810093 is a deficient number, since it is larger than the sum of its proper divisors (3480403).

77810093 is a wasteful number, since it uses less digits than its factorization.

77810093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30355.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 77810093 is about 8821.0029475111. The cubic root of 77810093 is about 426.9188309060.

The spelling of 77810093 in words is "seventy-seven million, eight hundred ten thousand, ninety-three".