77616704 has 28 divisors (see below), whose sum is σ = 168024048. Its totient is φ = 35280000.

The previous prime is 77616689. The next prime is 77616709. The reversal of 77616704 is 40761677.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77616709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54422 + ... + 55829.

Almost surely, 2^77616704 is an apocalyptic number.

It is an amenable number.

77616704 is an abundant number, since it is smaller than the sum of its proper divisors (90407344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77616704 is a wasteful number, since it uses less digits than its factorization.

77616704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110274 (or 110264 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 77616704 is about 8810.0342791615. The cubic root of 77616704 is about 426.5648498370.

It can be divided in two parts, 77616 and 704, that multiplied together give a square (54641664 = 7392²).

The spelling of 77616704 in words is "seventy-seven million, six hundred sixteen thousand, seven hundred four".