77166093 has 4 divisors (see below), whose sum is σ = 102888128. Its totient is φ = 51444060.

The previous prime is 77166091. The next prime is 77166097. The reversal of 77166093 is 39066177.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39066177 = 3 ⋅13022059.

It is not a de Polignac number, because 77166093 - 2¹ = 77166091 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 (77166091) 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 3 ways as a sum of consecutive naturals, for example, 12861013 + ... + 12861018.

It is an arithmetic number, because the mean of its divisors is an integer number (25722032).

Almost surely, 2^77166093 is an apocalyptic number.

It is an amenable number.

77166093 is a deficient number, since it is larger than the sum of its proper divisors (25722035).

77166093 is a wasteful number, since it uses less digits than its factorization.

77166093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25722034.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 77166093 is about 8784.4233163026. The cubic root of 77166093 is about 425.7377598693.

The spelling of 77166093 in words is "seventy-seven million, one hundred sixty-six thousand, ninety-three".