61088883389 has 4 divisors (see below), whose sum is σ = 61089772800. Its totient is φ = 61087993980.

The previous prime is 61088883379. The next prime is 61088883503. The reversal of 61088883389 is 98338888016.

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 61088883389 - 2⁸ = 61088883133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61088883379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332189 + ... + 482210.

It is an arithmetic number, because the mean of its divisors is an integer number (15272443200).

Almost surely, 2^61088883389 is an apocalyptic number.

It is an amenable number.

61088883389 is a deficient number, since it is larger than the sum of its proper divisors (889411).

61088883389 is an equidigital number, since it uses as much as digits as its factorization.

61088883389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889410.

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 61088883389 in words is "sixty-one billion, eighty-eight million, eight hundred eighty-three thousand, three hundred eighty-nine".