77700706 has 8 divisors (see below), whose sum is σ = 116598060. Its totient is φ = 38834688.

The previous prime is 77700697. The next prime is 77700719. The reversal of 77700706 is 60700777.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 17715681 = 7745^2 + 4209^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 12466.

Almost surely, 2^77700706 is an apocalyptic number.

77700706 is a deficient number, since it is larger than the sum of its proper divisors (38897354).

77700706 is a wasteful number, since it uses less digits than its factorization.

77700706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668.

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 77700706 is about 8814.8003947906. The cubic root of 77700706 is about 426.7186800468.

The spelling of 77700706 in words is "seventy-seven million, seven hundred thousand, seven hundred six".