61089982 has 8 divisors (see below), whose sum is σ = 91672416. Its totient is φ = 30532512.

The previous prime is 61089967. The next prime is 61089991. The reversal of 61089982 is 28998016.

It is a happy number.

61089982 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 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 3 ways as a sum of consecutive naturals, for example, 2118 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (11459052).

Almost surely, 2^61089982 is an apocalyptic number.

61089982 is a deficient number, since it is larger than the sum of its proper divisors (30582434).

61089982 is a wasteful number, since it uses less digits than its factorization.

61089982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 61089982 is about 7816.0080603848. The cubic root of 61089982 is about 393.8431827165.

The spelling of 61089982 in words is "sixty-one million, eighty-nine thousand, nine hundred eighty-two".