77629313 has 4 divisors (see below), whose sum is σ = 77652528. Its totient is φ = 77606100.

The previous prime is 77629291. The next prime is 77629333. The reversal of 77629313 is 31392677.

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 77629313 - 2²⁰ = 76580737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77629333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (19413132).

Almost surely, 2^77629313 is an apocalyptic number.

It is an amenable number.

77629313 is a deficient number, since it is larger than the sum of its proper divisors (23215).

77629313 is a wasteful number, since it uses less digits than its factorization.

77629313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214.

The product of its digits is 47628, while the sum is 38.

The square root of 77629313 is about 8810.7498545811. The cubic root of 77629313 is about 426.5879473778.

The spelling of 77629313 in words is "seventy-seven million, six hundred twenty-nine thousand, three hundred thirteen".