88511261 has 4 divisors (see below), whose sum is σ = 88536000. Its totient is φ = 88486524.

The previous prime is 88511257. The next prime is 88511263. The reversal of 88511261 is 16211588.

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 88511261 - 2² = 88511257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88511263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (22134000).

Almost surely, 2^88511261 is an apocalyptic number.

It is an amenable number.

88511261 is a deficient number, since it is larger than the sum of its proper divisors (24739).

88511261 is a wasteful number, since it uses less digits than its factorization.

88511261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24738.

The product of its digits is 3840, while the sum is 32.

The square root of 88511261 is about 9408.0423574727. The cubic root of 88511261 is about 445.6557449247.

The spelling of 88511261 in words is "eighty-eight million, five hundred eleven thousand, two hundred sixty-one".