88721269 has 8 divisors (see below), whose sum is σ = 109195520. Its totient is φ = 70196976.

The previous prime is 88721261. The next prime is 88721291. The reversal of 88721269 is 96212788.

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 88721269 - 2³ = 88721261 is a prime.

It is a super-2 number, since 2×88721269² = 15742927145940722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88721261) 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, 487389 + ... + 487570.

It is an arithmetic number, because the mean of its divisors is an integer number (13649440).

Almost surely, 2^88721269 is an apocalyptic number.

It is an amenable number.

88721269 is a deficient number, since it is larger than the sum of its proper divisors (20474251).

88721269 is a wasteful number, since it uses less digits than its factorization.

88721269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974979.

The product of its digits is 96768, while the sum is 43.

The square root of 88721269 is about 9419.1968341255. The cubic root of 88721269 is about 446.0079311801.

The spelling of 88721269 in words is "eighty-eight million, seven hundred twenty-one thousand, two hundred sixty-nine".