61886716 has 12 divisors (see below), whose sum is σ = 108496080. Its totient is φ = 30887840.

The previous prime is 61886711. The next prime is 61886717. The reversal of 61886716 is 61768816.

61886716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61886716³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61886711) 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, 11320 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (9041340).

Almost surely, 2^61886716 is an apocalyptic number.

It is an amenable number.

61886716 is a deficient number, since it is larger than the sum of its proper divisors (46609364).

61886716 is a wasteful number, since it uses less digits than its factorization.

61886716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27764 (or 27762 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 61886716 is about 7866.8110438729. The cubic root of 61886716 is about 395.5479571242.

The spelling of 61886716 in words is "sixty-one million, eight hundred eighty-six thousand, seven hundred sixteen".