77361441 has 16 divisors (see below), whose sum is σ = 109641600. Its totient is φ = 48351488.

The previous prime is 77361433. The next prime is 77361497. The reversal of 77361441 is 14416377.

It is a cyclic number.

It is not a de Polignac number, because 77361441 - 2³ = 77361433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77361421) 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 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (6852600).

Almost surely, 2^77361441 is an apocalyptic number.

It is an amenable number.

77361441 is a deficient number, since it is larger than the sum of its proper divisors (32280159).

77361441 is a wasteful number, since it uses less digits than its factorization.

77361441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928.

The product of its digits is 14112, while the sum is 33.

The square root of 77361441 is about 8795.5352878605. The cubic root of 77361441 is about 426.0967125966.

The spelling of 77361441 in words is "seventy-seven million, three hundred sixty-one thousand, four hundred forty-one".