77635313 has 4 divisors (see below), whose sum is σ = 88726080. Its totient is φ = 66544548.

The previous prime is 77635289. The next prime is 77635319. The reversal of 77635313 is 31353677.

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: 31353677 = 2521 ⋅12437.

It is not a de Polignac number, because 77635313 - 2¹⁰ = 77634289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77635319) 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, 5545373 + ... + 5545386.

It is an arithmetic number, because the mean of its divisors is an integer number (22181520).

Almost surely, 2^77635313 is an apocalyptic number.

It is an amenable number.

77635313 is a deficient number, since it is larger than the sum of its proper divisors (11090767).

77635313 is a wasteful number, since it uses less digits than its factorization.

77635313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090766.

The product of its digits is 39690, while the sum is 35.

The square root of 77635313 is about 8811.0903411553. The cubic root of 77635313 is about 426.5989374778.

The spelling of 77635313 in words is "seventy-seven million, six hundred thirty-five thousand, three hundred thirteen".