77322377 has 4 divisors (see below), whose sum is σ = 84351696. Its totient is φ = 70293060.

The previous prime is 77322361. The next prime is 77322431.

77322377 is nontrivially palindromic in base 10.

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 77322377 - 2⁴ = 77322361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77322377.

It is not an unprimeable number, because it can be changed into a prime (77322347) 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, 3514643 + ... + 3514664.

It is an arithmetic number, because the mean of its divisors is an integer number (21087924).

Almost surely, 2^77322377 is an apocalyptic number.

It is an amenable number.

77322377 is a deficient number, since it is larger than the sum of its proper divisors (7029319).

77322377 is a wasteful number, since it uses less digits than its factorization.

77322377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029318.

The product of its digits is 86436, while the sum is 38.

The square root of 77322377 is about 8793.3143353345. The cubic root of 77322377 is about 426.0249807182.

The spelling of 77322377 in words is "seventy-seven million, three hundred twenty-two thousand, three hundred seventy-seven".