60993788778 has 48 divisors (see below), whose sum is σ = 147589923936. Its totient is φ = 18767317680.

The previous prime is 60993788719. The next prime is 60993788783. The reversal of 60993788778 is 87788739906.

60993788778 is a `hidden beast` number, since 609 + 9 + 3 + 7 + 8 + 8 + 7 + 7 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4820668 + ... + 4833303.

It is an arithmetic number, because the mean of its divisors is an integer number (3074790082).

Almost surely, 2^60993788778 is an apocalyptic number.

60993788778 is an abundant number, since it is smaller than the sum of its proper divisors (86596135158).

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

60993788778 is a wasteful number, since it uses less digits than its factorization.

60993788778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654001 (or 9653989 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 60993788778 in words is "sixty billion, nine hundred ninety-three million, seven hundred eighty-eight thousand, seven hundred seventy-eight".