77069841 has 8 divisors (see below), whose sum is σ = 103111680. Its totient is φ = 51203952.

The previous prime is 77069821. The next prime is 77069879. The reversal of 77069841 is 14896077.

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

It is not a de Polignac number, because 77069841 - 2⁶ = 77069777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77069793 and 77069802.

It is not an unprimeable number, because it can be changed into a prime (77069821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42961 + ... + 44718.

It is an arithmetic number, because the mean of its divisors is an integer number (12888960).

Almost surely, 2^77069841 is an apocalyptic number.

It is an amenable number.

77069841 is a deficient number, since it is larger than the sum of its proper divisors (26041839).

77069841 is a wasteful number, since it uses less digits than its factorization.

77069841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87975.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 77069841 is about 8778.9430457203. The cubic root of 77069841 is about 425.5606736263.

The spelling of 77069841 in words is "seventy-seven million, sixty-nine thousand, eight hundred forty-one".