60878735818 has 4 divisors (see below), whose sum is σ = 91318103730. Its totient is φ = 30439367908.

The previous prime is 60878735803. The next prime is 60878735849. The reversal of 60878735818 is 81853787806.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60311009889 + 567725929 = 245583^2 + 23827^2 .

It is a super-2 number, since 2×60878735818² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 15219683953 + ... + 15219683956.

Almost surely, 2^60878735818 is an apocalyptic number.

60878735818 is a deficient number, since it is larger than the sum of its proper divisors (30439367912).

60878735818 is a wasteful number, since it uses less digits than its factorization.

60878735818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30439367911.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 60878735818 in words is "sixty billion, eight hundred seventy-eight million, seven hundred thirty-five thousand, eight hundred eighteen".