88869261 has 32 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 52948224.

The previous prime is 88869257. The next prime is 88869283. The reversal of 88869261 is 16296888.

It is not a de Polignac number, because 88869261 - 2² = 88869257 is a prime.

It is a super-2 number, since 2×88869261² = 15795491101372242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 88869261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88869241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330235 + ... + 330503.

It is an arithmetic number, because the mean of its divisors is an integer number (4116420).

Almost surely, 2^88869261 is an apocalyptic number.

It is an amenable number.

88869261 is a deficient number, since it is larger than the sum of its proper divisors (42856179).

88869261 is a wasteful number, since it uses less digits than its factorization.

88869261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 331776, while the sum is 48.

The square root of 88869261 is about 9427.0494323516. The cubic root of 88869261 is about 446.2557820811.

The spelling of 88869261 in words is "eighty-eight million, eight hundred sixty-nine thousand, two hundred sixty-one".