60778778 has 16 divisors (see below), whose sum is σ = 92806656. Its totient is φ = 29846880.

The previous prime is 60778747. The next prime is 60778793. The reversal of 60778778 is 87787706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40583 + ... + 42053.

It is an arithmetic number, because the mean of its divisors is an integer number (5800416).

Almost surely, 2^60778778 is an apocalyptic number.

60778778 is a deficient number, since it is larger than the sum of its proper divisors (32027878).

60778778 is a wasteful number, since it uses less digits than its factorization.

60778778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 921984, while the sum is 50.

The square root of 60778778 is about 7796.0745250414. The cubic root of 60778778 is about 393.1732731559.

The spelling of 60778778 in words is "sixty million, seven hundred seventy-eight thousand, seven hundred seventy-eight".