77343011 has 4 divisors (see below), whose sum is σ = 77817672. Its totient is φ = 76868352.

The previous prime is 77342999. The next prime is 77343017. The reversal of 77343011 is 11034377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11034377 = 17 ⋅649081.

It is a cyclic number.

It is not a de Polignac number, because 77343011 - 2¹⁸ = 77080867 is a prime.

It is a super-2 number, since 2×77343011² = 11963882701092242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77343017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237086 + ... + 237411.

It is an arithmetic number, because the mean of its divisors is an integer number (19454418).

Almost surely, 2^77343011 is an apocalyptic number.

77343011 is a deficient number, since it is larger than the sum of its proper divisors (474661).

77343011 is a wasteful number, since it uses less digits than its factorization.

77343011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474660.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 77343011 is about 8794.4875348141. The cubic root of 77343011 is about 426.0628732317.

Adding to 77343011 its reverse (11034377), we get a palindrome (88377388).

The spelling of 77343011 in words is "seventy-seven million, three hundred forty-three thousand, eleven".