88644749 has 8 divisors (see below), whose sum is σ = 94334400. Its totient is φ = 83007936.

The previous prime is 88644739. The next prime is 88644761. The reversal of 88644749 is 94744688.

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 88644749 - 2¹⁶ = 88579213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88644697 and 88644706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88644739) 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, 9719 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (11791800).

Almost surely, 2^88644749 is an apocalyptic number.

It is an amenable number.

88644749 is a deficient number, since it is larger than the sum of its proper divisors (5689651).

88644749 is a wasteful number, since it uses less digits than its factorization.

88644749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26419.

The product of its digits is 1548288, while the sum is 50.

The square root of 88644749 is about 9415.1340404691. The cubic root of 88644749 is about 445.8796705286.

The spelling of 88644749 in words is "eighty-eight million, six hundred forty-four thousand, seven hundred forty-nine".