77406233405 has 8 divisors (see below), whose sum is σ = 92889833184. Its totient is φ = 61923418000.

The previous prime is 77406233393. The next prime is 77406233419. The reversal of 77406233405 is 50433260477.

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

It is not a de Polignac number, because 77406233405 - 2⁴ = 77406233389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48830 + ... + 396480.

It is an arithmetic number, because the mean of its divisors is an integer number (11611229148).

Almost surely, 2^77406233405 is an apocalyptic number.

It is an amenable number.

77406233405 is a deficient number, since it is larger than the sum of its proper divisors (15483599779).

77406233405 is a wasteful number, since it uses less digits than its factorization.

77406233405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392187.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 77406233405 in words is "seventy-seven billion, four hundred six million, two hundred thirty-three thousand, four hundred five".