88997149 has 4 divisors (see below), whose sum is σ = 89176000. Its totient is φ = 88818300.

The previous prime is 88997137. The next prime is 88997191. The reversal of 88997149 is 94179988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88997149 - 2⁷ = 88997021 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 88997149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88997449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88677 + ... + 89674.

It is an arithmetic number, because the mean of its divisors is an integer number (22294000).

Almost surely, 2^88997149 is an apocalyptic number.

It is an amenable number.

88997149 is a deficient number, since it is larger than the sum of its proper divisors (178851).

88997149 is a wasteful number, since it uses less digits than its factorization.

88997149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178850.

The product of its digits is 1306368, while the sum is 55.

The square root of 88997149 is about 9433.8300281487. The cubic root of 88997149 is about 446.4697420962.

The spelling of 88997149 in words is "eighty-eight million, nine hundred ninety-seven thousand, one hundred forty-nine".