60840029986 has 4 divisors (see below), whose sum is σ = 91260044982. Its totient is φ = 30420014992.

The previous prime is 60840029969. The next prime is 60840029989. The reversal of 60840029986 is 68992004806.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68992004806 = 2 ⋅34496002403.

It can be written as a sum of positive squares in only one way, i.e., 60796271761 + 43758225 = 246569^2 + 6615^2 .

It is not an unprimeable number, because it can be changed into a prime (60840029989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210007495 + ... + 15210007498.

Almost surely, 2^60840029986 is an apocalyptic number.

60840029986 is a deficient number, since it is larger than the sum of its proper divisors (30420014996).

60840029986 is a wasteful number, since it uses less digits than its factorization.

60840029986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30420014995.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 60840029986 in words is "sixty billion, eight hundred forty million, twenty-nine thousand, nine hundred eighty-six".