61885667 has 8 divisors (see below), whose sum is σ = 62488272. Its totient is φ = 61286400.

The previous prime is 61885651. The next prime is 61885673. The reversal of 61885667 is 76658816.

61885667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61885667 - 2⁴ = 61885651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61885267) 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 7 ways as a sum of consecutive naturals, for example, 50243 + ... + 51459.

It is an arithmetic number, because the mean of its divisors is an integer number (7811034).

Almost surely, 2^61885667 is an apocalyptic number.

61885667 is a deficient number, since it is larger than the sum of its proper divisors (602605).

61885667 is a wasteful number, since it uses less digits than its factorization.

61885667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669.

The product of its digits is 483840, while the sum is 47.

The square root of 61885667 is about 7866.7443710852. The cubic root of 61885667 is about 395.5457222227.

The spelling of 61885667 in words is "sixty-one million, eight hundred eighty-five thousand, six hundred sixty-seven".