888720447 has 8 divisors (see below), whose sum is σ = 1198275120. Its totient is φ = 585823040.

The previous prime is 888720433. The next prime is 888720461. The reversal of 888720447 is 744027888.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (888720433) and next prime (888720461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 888720447 - 2⁷ = 888720319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 888720396 and 888720405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888720467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664004 + ... + 1664537.

It is an arithmetic number, because the mean of its divisors is an integer number (149784390).

Almost surely, 2^888720447 is an apocalyptic number.

888720447 is a deficient number, since it is larger than the sum of its proper divisors (309554673).

888720447 is a wasteful number, since it uses less digits than its factorization.

888720447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328633.

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 888720447 is about 29811.4147098054. The cubic root of 888720447 is about 961.4389758911.

The spelling of 888720447 in words is "eight hundred eighty-eight million, seven hundred twenty thousand, four hundred forty-seven".