77676741 has 6 divisors (see below), whose sum is σ = 112199750. Its totient is φ = 51784488.

The previous prime is 77676737. The next prime is 77676749. The reversal of 77676741 is 14767677.

It can be written as a sum of positive squares in only one way, i.e., 66487716 + 11189025 = 8154^2 + 3345^2 .

It is not a de Polignac number, because 77676741 - 2² = 77676737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77676749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4315366 + ... + 4315383.

Almost surely, 2^77676741 is an apocalyptic number.

It is an amenable number.

77676741 is a deficient number, since it is larger than the sum of its proper divisors (34523009).

77676741 is a wasteful number, since it uses less digits than its factorization.

77676741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8630755 (or 8630752 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 77676741 is about 8813.4409284910. The cubic root of 77676741 is about 426.6748050070.

The spelling of 77676741 in words is "seventy-seven million, six hundred seventy-six thousand, seven hundred forty-one".