88447791 has 8 divisors (see below), whose sum is σ = 118127104. Its totient is φ = 58866840.

The previous prime is 88447781. The next prime is 88447813. The reversal of 88447791 is 19774488.

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

It is not a de Polignac number, because 88447791 - 2⁵ = 88447759 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 88447791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88447721) 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, 22465 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (14765888).

Almost surely, 2^88447791 is an apocalyptic number.

88447791 is a deficient number, since it is larger than the sum of its proper divisors (29679313).

88447791 is a wasteful number, since it uses less digits than its factorization.

88447791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181.

The product of its digits is 451584, while the sum is 48.

The square root of 88447791 is about 9404.6685747027. The cubic root of 88447791 is about 445.5491952662.

The spelling of 88447791 in words is "eighty-eight million, four hundred forty-seven thousand, seven hundred ninety-one".