61896888 has 24 divisors (see below), whose sum is σ = 167637600. Its totient is φ = 20632272.

The previous prime is 61896871. The next prime is 61896899. The reversal of 61896888 is 88869816.

61896888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 429768 + ... + 429911.

It is an arithmetic number, because the mean of its divisors is an integer number (6984900).

Almost surely, 2^61896888 is an apocalyptic number.

It is an amenable number.

61896888 is an abundant number, since it is smaller than the sum of its proper divisors (105740712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61896888 is a wasteful number, since it uses less digits than its factorization.

61896888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859691 (or 859684 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The square root of 61896888 is about 7867.4575308673. The cubic root of 61896888 is about 395.5696273288.

The spelling of 61896888 in words is "sixty-one million, eight hundred ninety-six thousand, eight hundred eighty-eight".