60686778 has 32 divisors (see below), whose sum is σ = 126830592. Its totient is φ = 19335600.

The previous prime is 60686761. The next prime is 60686783. The reversal of 60686778 is 87768606.

60686778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13473 + ... + 17403.

It is an arithmetic number, because the mean of its divisors is an integer number (3963456).

Almost surely, 2^60686778 is an apocalyptic number.

60686778 is an abundant number, since it is smaller than the sum of its proper divisors (66143814).

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

60686778 is a wasteful number, since it uses less digits than its factorization.

60686778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 60686778 is about 7790.1718851384. The cubic root of 60686778 is about 392.9747926519.

The spelling of 60686778 in words is "sixty million, six hundred eighty-six thousand, seven hundred seventy-eight".