77693234 has 4 divisors (see below), whose sum is σ = 116539854. Its totient is φ = 38846616.

The previous prime is 77693227. The next prime is 77693269. The reversal of 77693234 is 43239677.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43239677 = 13 ⋅3326129.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 8720209 = 8305^2 + 2953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77693191 and 77693200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19423307 + ... + 19423310.

Almost surely, 2^77693234 is an apocalyptic number.

77693234 is a deficient number, since it is larger than the sum of its proper divisors (38846620).

77693234 is a wasteful number, since it uses less digits than its factorization.

77693234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38846619.

The product of its digits is 190512, while the sum is 41.

The square root of 77693234 is about 8814.3765519746. The cubic root of 77693234 is about 426.7050013028.

The spelling of 77693234 in words is "seventy-seven million, six hundred ninety-three thousand, two hundred thirty-four".