32261228887 has 4 divisors (see below), whose sum is σ = 32338225080. Its totient is φ = 32184232696.

The previous prime is 32261228869. The next prime is 32261228917. The reversal of 32261228887 is 78882216223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32261228887 - 2¹⁵ = 32261196119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32261228887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32261208887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38497468 + ... + 38498305.

It is an arithmetic number, because the mean of its divisors is an integer number (8084556270).

Almost surely, 2^32261228887 is an apocalyptic number.

32261228887 is a deficient number, since it is larger than the sum of its proper divisors (76996193).

32261228887 is an equidigital number, since it uses as much as digits as its factorization.

32261228887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76996192.

The product of its digits is 1032192, while the sum is 49.

The spelling of 32261228887 in words is "thirty-two billion, two hundred sixty-one million, two hundred twenty-eight thousand, eight hundred eighty-seven".