60775981 has 16 divisors (see below), whose sum is σ = 71463168. Its totient is φ = 50601600.

The previous prime is 60775963. The next prime is 60775997. The reversal of 60775981 is 18957706.

It is not a de Polignac number, because 60775981 - 2⁷ = 60775853 is a prime.

It is a super-3 number, since 3×60775981³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60775921) 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, 120576 + ... + 121078.

It is an arithmetic number, because the mean of its divisors is an integer number (4466448).

Almost surely, 2^60775981 is an apocalyptic number.

It is an amenable number.

60775981 is a deficient number, since it is larger than the sum of its proper divisors (10687187).

60775981 is a wasteful number, since it uses less digits than its factorization.

60775981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 60775981 is about 7795.8951378273. The cubic root of 60775981 is about 393.1672418703.

The spelling of 60775981 in words is "sixty million, seven hundred seventy-five thousand, nine hundred eighty-one".