60981885 has 12 divisors (see below), whose sum is σ = 105702012. Its totient is φ = 32523648.

The previous prime is 60981857. The next prime is 60981911. The reversal of 60981885 is 58818906.

60981885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39803481 + 21178404 = 6309^2 + 4602^2 .

It is not a de Polignac number, because 60981885 - 2⁷ = 60981757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1355153 = 60981885 / (6 + 0 + 9 + 8 + 1 + 8 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60981885.

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 11 ways as a sum of consecutive naturals, for example, 677532 + ... + 677621.

It is an arithmetic number, because the mean of its divisors is an integer number (8808501).

Almost surely, 2^60981885 is an apocalyptic number.

It is an amenable number.

60981885 is a deficient number, since it is larger than the sum of its proper divisors (44720127).

60981885 is a wasteful number, since it uses less digits than its factorization.

60981885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355164 (or 1355161 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 60981885 is about 7809.0898957561. The cubic root of 60981885 is about 393.6107474323.

The spelling of 60981885 in words is "sixty million, nine hundred eighty-one thousand, eight hundred eighty-five".