77348843 has 8 divisors (see below), whose sum is σ = 90871536. Its totient is φ = 64908000.

The previous prime is 77348809. The next prime is 77348851. The reversal of 77348843 is 34884377.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77348843 - 2¹⁶ = 77283307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77348794 and 77348803.

It is not an unprimeable number, because it can be changed into a prime (77348863) 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 7 ways as a sum of consecutive naturals, for example, 270308 + ... + 270593.

It is an arithmetic number, because the mean of its divisors is an integer number (11358942).

Almost surely, 2^77348843 is an apocalyptic number.

77348843 is a deficient number, since it is larger than the sum of its proper divisors (13522693).

77348843 is a wasteful number, since it uses less digits than its factorization.

77348843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540925.

The product of its digits is 451584, while the sum is 44.

The square root of 77348843 is about 8794.8190999019. The cubic root of 77348843 is about 426.0735819615.

The spelling of 77348843 in words is "seventy-seven million, three hundred forty-eight thousand, eight hundred forty-three".