77832413 has 4 divisors (see below), whose sum is σ = 80343168. Its totient is φ = 75321660.

The previous prime is 77832407. The next prime is 77832421. The reversal of 77832413 is 31423877.

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.

It is a cyclic number.

It is not a de Polignac number, because 77832413 - 2⁴ = 77832397 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 (77832913) 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, 1255331 + ... + 1255392.

It is an arithmetic number, because the mean of its divisors is an integer number (20085792).

Almost surely, 2^77832413 is an apocalyptic number.

It is an amenable number.

77832413 is a deficient number, since it is larger than the sum of its proper divisors (2510755).

77832413 is a wasteful number, since it uses less digits than its factorization.

77832413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510754.

The product of its digits is 28224, while the sum is 35.

The square root of 77832413 is about 8822.2680190527. The cubic root of 77832413 is about 426.9596478787.

The spelling of 77832413 in words is "seventy-seven million, eight hundred thirty-two thousand, four hundred thirteen".