77328413 has 8 divisors (see below), whose sum is σ = 80110080. Its totient is φ = 74554480.

The previous prime is 77328401. The next prime is 77328457. The reversal of 77328413 is 31482377.

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 77328413 - 2⁴ = 77328397 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 (77328313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24956 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (10013760).

Almost surely, 2^77328413 is an apocalyptic number.

It is an amenable number.

77328413 is a deficient number, since it is larger than the sum of its proper divisors (2781667).

77328413 is a wasteful number, since it uses less digits than its factorization.

77328413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867.

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

The square root of 77328413 is about 8793.6575439347. The cubic root of 77328413 is about 426.0360659951.

The spelling of 77328413 in words is "seventy-seven million, three hundred twenty-eight thousand, four hundred thirteen".