77229841 has 16 divisors (see below), whose sum is σ = 85860544. Its totient is φ = 69004224.

The previous prime is 77229797. The next prime is 77229863. The reversal of 77229841 is 14892277.

It is a cyclic number.

It is not a de Polignac number, because 77229841 - 2⁹ = 77229329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77229794 and 77229803.

It is not an unprimeable number, because it can be changed into a prime (77229041) 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 15 ways as a sum of consecutive naturals, for example, 147406 + ... + 147928.

It is an arithmetic number, because the mean of its divisors is an integer number (5366284).

Almost surely, 2^77229841 is an apocalyptic number.

It is an amenable number.

77229841 is a deficient number, since it is larger than the sum of its proper divisors (8630703).

77229841 is a wasteful number, since it uses less digits than its factorization.

77229841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its digits is 56448, while the sum is 40.

The square root of 77229841 is about 8788.0510353548. The cubic root of 77229841 is about 425.8549635941.

The spelling of 77229841 in words is "seventy-seven million, two hundred twenty-nine thousand, eight hundred forty-one".