77160841 has 8 divisors (see below), whose sum is σ = 81776520. Its totient is φ = 72553728.

The previous prime is 77160827. The next prime is 77160859. The reversal of 77160841 is 14806177.

It can be written as a sum of positive squares in 4 ways, for example, as 57836025 + 19324816 = 7605^2 + 4396^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77160841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77160797 and 77160806.

It is not an unprimeable number, because it can be changed into a prime (77160341) 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 7 ways as a sum of consecutive naturals, for example, 33375 + ... + 35611.

It is an arithmetic number, because the mean of its divisors is an integer number (10222065).

Almost surely, 2^77160841 is an apocalyptic number.

It is an amenable number.

77160841 is a deficient number, since it is larger than the sum of its proper divisors (4615679).

77160841 is a wasteful number, since it uses less digits than its factorization.

77160841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 77160841 is about 8784.1243729811. The cubic root of 77160841 is about 425.7281009403.

The spelling of 77160841 in words is "seventy-seven million, one hundred sixty thousand, eight hundred forty-one".