88643479 has 8 divisors (see below), whose sum is σ = 90123120. Its totient is φ = 87168576.

The previous prime is 88643473. The next prime is 88643537. The reversal of 88643479 is 97434688.

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 88643479 - 2⁵ = 88643447 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 (88643473) 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, 73707 + ... + 74899.

It is an arithmetic number, because the mean of its divisors is an integer number (11265390).

Almost surely, 2^88643479 is an apocalyptic number.

88643479 is a deficient number, since it is larger than the sum of its proper divisors (1479641).

88643479 is a wasteful number, since it uses less digits than its factorization.

88643479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its digits is 1161216, while the sum is 49.

The square root of 88643479 is about 9415.0665956221. The cubic root of 88643479 is about 445.8775411681.

The spelling of 88643479 in words is "eighty-eight million, six hundred forty-three thousand, four hundred seventy-nine".