60978840 has 64 divisors (see below), whose sum is σ = 197013600. Its totient is φ = 15009792.

The previous prime is 60978839. The next prime is 60978877. The reversal of 60978840 is 4887906.

It is a happy number.

60978840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 60978792 and 60978801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17985 + ... + 21104.

Almost surely, 2^60978840 is an apocalyptic number.

60978840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60978840 is an abundant number, since it is smaller than the sum of its proper divisors (136034760).

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

60978840 is a wasteful number, since it uses less digits than its factorization.

60978840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39116 (or 39112 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 60978840 is about 7808.8949282213. The cubic root of 60978840 is about 393.6041959530.

The spelling of 60978840 in words is "sixty million, nine hundred seventy-eight thousand, eight hundred forty".