77055486 has 8 divisors (see below), whose sum is σ = 154110984. Its totient is φ = 25685160.

The previous prime is 77055449. The next prime is 77055493. The reversal of 77055486 is 68455077.

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

77055486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6421285 + ... + 6421296.

It is an arithmetic number, because the mean of its divisors is an integer number (19263873).

Almost surely, 2^77055486 is an apocalyptic number.

77055486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77055486 is a wasteful number, since it uses less digits than its factorization.

77055486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12842586.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 77055486 is about 8778.1254263083. The cubic root of 77055486 is about 425.5342503946.

The spelling of 77055486 in words is "seventy-seven million, fifty-five thousand, four hundred eighty-six".