77040116 has 24 divisors (see below), whose sum is σ = 137087496. Its totient is φ = 37877760.

The previous prime is 77040113. The next prime is 77040127. The reversal of 77040116 is 61104077.

It can be written as a sum of positive squares in 4 ways, for example, as 547600 + 76492516 = 740^2 + 8746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77040113) 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, 69680 + ... + 70776.

It is an arithmetic number, because the mean of its divisors is an integer number (5711979).

Almost surely, 2^77040116 is an apocalyptic number.

It is an amenable number.

77040116 is a deficient number, since it is larger than the sum of its proper divisors (60047380).

77040116 is a wasteful number, since it uses less digits than its factorization.

77040116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 77040116 is about 8777.2499109915. The cubic root of 77040116 is about 425.5059552154.

The spelling of 77040116 in words is "seventy-seven million, forty thousand, one hundred sixteen".