60868778 has 4 divisors (see below), whose sum is σ = 91303170. Its totient is φ = 30434388.

The previous prime is 60868747. The next prime is 60868781. The reversal of 60868778 is 87786806.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87786806 = 2 ⋅43893403.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 20584369 = 6347^2 + 4537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15217193 + ... + 15217196.

Almost surely, 2^60868778 is an apocalyptic number.

60868778 is a deficient number, since it is larger than the sum of its proper divisors (30434392).

60868778 is a wasteful number, since it uses less digits than its factorization.

60868778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30434391.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 60868778 is about 7801.8445254952. The cubic root of 60868778 is about 393.3672451530.

The spelling of 60868778 in words is "sixty million, eight hundred sixty-eight thousand, seven hundred seventy-eight".