60869989 has 4 divisors (see below), whose sum is σ = 60888960. Its totient is φ = 60851020.

The previous prime is 60869987. The next prime is 60870041. The reversal of 60869989 is 98996806.

60869989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60869989 - 2¹ = 60869987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60869987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3349 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (15222240).

Almost surely, 2^60869989 is an apocalyptic number.

It is an amenable number.

60869989 is a deficient number, since it is larger than the sum of its proper divisors (18971).

60869989 is a wasteful number, since it uses less digits than its factorization.

60869989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18970.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 60869989 is about 7801.9221349614. The cubic root of 60869989 is about 393.3698538499.

The spelling of 60869989 in words is "sixty million, eight hundred sixty-nine thousand, nine hundred eighty-nine".