61477085 has 16 divisors (see below), whose sum is σ = 75866544. Its totient is φ = 47803392.

The previous prime is 61477079. The next prime is 61477093. The reversal of 61477085 is 58077416.

61477085 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 8 ways, for example, as 4519876 + 56957209 = 2126^2 + 7547^2 .

It is a cyclic number.

It is not a de Polignac number, because 61477085 - 2⁸ = 61476829 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 28919 + ... + 30971.

It is an arithmetic number, because the mean of its divisors is an integer number (4741659).

Almost surely, 2^61477085 is an apocalyptic number.

It is an amenable number.

61477085 is a deficient number, since it is larger than the sum of its proper divisors (14389459).

61477085 is a wasteful number, since it uses less digits than its factorization.

61477085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 61477085 is about 7840.7324275223. The cubic root of 61477085 is about 394.6733078298.

The spelling of 61477085 in words is "sixty-one million, four hundred seventy-seven thousand, eighty-five".