88568749 has 4 divisors (see below), whose sum is σ = 88707136. Its totient is φ = 88430364.

The previous prime is 88568741. The next prime is 88568761. The reversal of 88568749 is 94786588.

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 88568749 - 2³ = 88568741 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 88568749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88568741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68229 + ... + 69514.

It is an arithmetic number, because the mean of its divisors is an integer number (22176784).

Almost surely, 2^88568749 is an apocalyptic number.

It is an amenable number.

88568749 is a deficient number, since it is larger than the sum of its proper divisors (138387).

88568749 is a wasteful number, since it uses less digits than its factorization.

88568749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138386.

The product of its digits is 3870720, while the sum is 55.

The square root of 88568749 is about 9411.0971198899. The cubic root of 88568749 is about 445.7522084047.

The spelling of 88568749 in words is "eighty-eight million, five hundred sixty-eight thousand, seven hundred forty-nine".