77004666 has 12 divisors (see below), whose sum is σ = 166843482. Its totient is φ = 25668216.

The previous prime is 77004619. The next prime is 77004671. The reversal of 77004666 is 66640077.

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 21427641 = 7455^2 + 4629^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77004666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2139001 + ... + 2139036.

Almost surely, 2^77004666 is an apocalyptic number.

77004666 is an abundant number, since it is smaller than the sum of its proper divisors (89838816).

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

77004666 is a wasteful number, since it uses less digits than its factorization.

77004666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278045 (or 4278042 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 77004666 is about 8775.2302533894. The cubic root of 77004666 is about 425.4406796977.

The spelling of 77004666 in words is "seventy-seven million, four thousand, six hundred sixty-six".