77616466 has 8 divisors (see below), whose sum is σ = 116487180. Its totient is φ = 38787408.

The previous prime is 77616457. The next prime is 77616527. The reversal of 77616466 is 66461677.

It can be written as a sum of positive squares in 2 ways, for example, as 76125625 + 1490841 = 8725^2 + 1221^2 .

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, 5241 + ... + 13516.

Almost surely, 2^77616466 is an apocalyptic number.

77616466 is a deficient number, since it is larger than the sum of its proper divisors (38870714).

77616466 is a wasteful number, since it uses less digits than its factorization.

77616466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20828.

The product of its digits is 254016, while the sum is 43.

The square root of 77616466 is about 8810.0207718257. The cubic root of 77616466 is about 426.5644138375.

The spelling of 77616466 in words is "seventy-seven million, six hundred sixteen thousand, four hundred sixty-six".