77326377 has 4 divisors (see below), whose sum is σ = 103101840. Its totient is φ = 51550916.

The previous prime is 77326373. The next prime is 77326477. The reversal of 77326377 is 77362377.

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: 77362377 = 3 ⋅25787459.

It is a cyclic number.

It is not a de Polignac number, because 77326377 - 2² = 77326373 is a prime.

It is a super-2 number, since 2×77326377² = 11958737159892258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77326373) 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, 12887727 + ... + 12887732.

It is an arithmetic number, because the mean of its divisors is an integer number (25775460).

Almost surely, 2^77326377 is an apocalyptic number.

It is an amenable number.

77326377 is a deficient number, since it is larger than the sum of its proper divisors (25775463).

77326377 is a wasteful number, since it uses less digits than its factorization.

77326377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775462.

The product of its digits is 259308, while the sum is 42.

The square root of 77326377 is about 8793.5417779186. The cubic root of 77326377 is about 426.0323268906.

The spelling of 77326377 in words is "seventy-seven million, three hundred twenty-six thousand, three hundred seventy-seven".