88989047 has 18 divisors (see below), whose sum is σ = 108404424. Its totient is φ = 72700320.

The previous prime is 88989007. The next prime is 88989049. The reversal of 88989047 is 74098988.

It is not a de Polignac number, because 88989047 - 2²⁰ = 87940471 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 88989047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88989049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 316547 + ... + 316827.

It is an arithmetic number, because the mean of its divisors is an integer number (6022468).

Almost surely, 2^88989047 is an apocalyptic number.

88989047 is a deficient number, since it is larger than the sum of its proper divisors (19415377).

88989047 is an equidigital number, since it uses as much as digits as its factorization.

88989047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 88989047 is about 9433.4006063561. The cubic root of 88989047 is about 446.4561933190.

The spelling of 88989047 in words is "eighty-eight million, nine hundred eighty-nine thousand, forty-seven".