88749669 has 4 divisors (see below), whose sum is σ = 118332896. Its totient is φ = 59166444.

The previous prime is 88749667. The next prime is 88749671. The reversal of 88749669 is 96694788.

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 an interprime number because it is at equal distance from previous prime (88749667) and next prime (88749671).

It is not a de Polignac number, because 88749669 - 2¹ = 88749667 is a prime.

It is a super-2 number, since 2×88749669² = 15753007495219122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88749667) 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, 14791609 + ... + 14791614.

It is an arithmetic number, because the mean of its divisors is an integer number (29583224).

Almost surely, 2^88749669 is an apocalyptic number.

It is an amenable number.

88749669 is a deficient number, since it is larger than the sum of its proper divisors (29583227).

88749669 is a wasteful number, since it uses less digits than its factorization.

88749669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29583226.

The product of its digits is 5225472, while the sum is 57.

The square root of 88749669 is about 9420.7042730361. The cubic root of 88749669 is about 446.0555156886.

The spelling of 88749669 in words is "eighty-eight million, seven hundred forty-nine thousand, six hundred sixty-nine".