61086893 has 4 divisors (see below), whose sum is σ = 69813600. Its totient is φ = 52360188.

The previous prime is 61086877. The next prime is 61086913. The reversal of 61086893 is 39868016.

It is a happy number.

61086893 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 61086893 - 2⁴ = 61086877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61086893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61086853) 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, 4363343 + ... + 4363356.

It is an arithmetic number, because the mean of its divisors is an integer number (17453400).

Almost surely, 2^61086893 is an apocalyptic number.

It is an amenable number.

61086893 is a deficient number, since it is larger than the sum of its proper divisors (8726707).

61086893 is an equidigital number, since it uses as much as digits as its factorization.

61086893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726706.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 61086893 is about 7815.8104506187. The cubic root of 61086893 is about 393.8365444098.

The spelling of 61086893 in words is "sixty-one million, eighty-six thousand, eight hundred ninety-three".