88981447 has 4 divisors (see below), whose sum is σ = 89099136. Its totient is φ = 88863760.

The previous prime is 88981433. The next prime is 88981513. The reversal of 88981447 is 74418988.

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 88981447 - 2¹¹ = 88979399 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 88981447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88981547) 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, 57703 + ... + 59224.

It is an arithmetic number, because the mean of its divisors is an integer number (22274784).

Almost surely, 2^88981447 is an apocalyptic number.

88981447 is a deficient number, since it is larger than the sum of its proper divisors (117689).

88981447 is a wasteful number, since it uses less digits than its factorization.

88981447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117688.

The product of its digits is 516096, while the sum is 49.

The square root of 88981447 is about 9432.9977737727. The cubic root of 88981447 is about 446.4434832767.

The spelling of 88981447 in words is "eighty-eight million, nine hundred eighty-one thousand, four hundred forty-seven".