60978939 has 16 divisors (see below), whose sum is σ = 93040128. Its totient is φ = 34800192.

The previous prime is 60978937. The next prime is 60978943. The reversal of 60978939 is 93987906.

It is not a de Polignac number, because 60978939 - 2¹ = 60978937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60978891 and 60978900.

It is not an unprimeable number, because it can be changed into a prime (60978937) 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 in 15 ways as a sum of consecutive naturals, for example, 21714 + ... + 24360.

It is an arithmetic number, because the mean of its divisors is an integer number (5815008).

Almost surely, 2^60978939 is an apocalyptic number.

60978939 is a deficient number, since it is larger than the sum of its proper divisors (32061189).

60978939 is a wasteful number, since it uses less digits than its factorization.

60978939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 60978939 is about 7808.9012671438. The cubic root of 60978939 is about 393.6044089602.

The spelling of 60978939 in words is "sixty million, nine hundred seventy-eight thousand, nine hundred thirty-nine".