77967341 has 4 divisors (see below), whose sum is σ = 80655900. Its totient is φ = 75278784.

The previous prime is 77967311. The next prime is 77967347. The reversal of 77967341 is 14376977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14376977 = 19 ⋅756683.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 55204900 = 4771^2 + 7430^2 .

It is a cyclic number.

It is not a de Polignac number, because 77967341 - 2⁶ = 77967277 is a prime.

It is a super-2 number, since 2×77967341² = 12157812525220562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77967292 and 77967301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77967347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344236 + ... + 1344293.

It is an arithmetic number, because the mean of its divisors is an integer number (20163975).

Almost surely, 2^77967341 is an apocalyptic number.

It is an amenable number.

77967341 is a deficient number, since it is larger than the sum of its proper divisors (2688559).

77967341 is a wasteful number, since it uses less digits than its factorization.

77967341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688558.

The product of its digits is 222264, while the sum is 44.

The square root of 77967341 is about 8829.9117209630. The cubic root of 77967341 is about 427.2062270416.

The spelling of 77967341 in words is "seventy-seven million, nine hundred sixty-seven thousand, three hundred forty-one".