77886466 has 8 divisors (see below), whose sum is σ = 133519680. Its totient is φ = 33379908.

The previous prime is 77886451. The next prime is 77886467. The reversal of 77886466 is 66468877.

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

It is not an unprimeable number, because it can be changed into a prime (77886467) 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, 2781646 + ... + 2781673.

It is an arithmetic number, because the mean of its divisors is an integer number (16689960).

Almost surely, 2^77886466 is an apocalyptic number.

77886466 is a deficient number, since it is larger than the sum of its proper divisors (55633214).

77886466 is a wasteful number, since it uses less digits than its factorization.

77886466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563328.

The product of its digits is 2709504, while the sum is 52.

The square root of 77886466 is about 8825.3309286394. The cubic root of 77886466 is about 427.0584632202.

The spelling of 77886466 in words is "seventy-seven million, eight hundred eighty-six thousand, four hundred sixty-six".