88664420 has 24 divisors (see below), whose sum is σ = 200518584. Its totient is φ = 32737536.

The previous prime is 88664417. The next prime is 88664441. The reversal of 88664420 is 2446688.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12730624 + 75933796 = 3568^2 + 8714^2 .

It is a super-2 number, since 2×88664420² = 15722758747872800, which contains 22 as substring.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170249 + ... + 170768.

It is an arithmetic number, because the mean of its divisors is an integer number (8354941).

Almost surely, 2^88664420 is an apocalyptic number.

It is an amenable number.

88664420 is an abundant number, since it is smaller than the sum of its proper divisors (111854164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88664420 is a wasteful number, since it uses less digits than its factorization.

88664420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341039 (or 341037 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 88664420 is about 9416.1786304212. The cubic root of 88664420 is about 445.9126495465.

The spelling of 88664420 in words is "eighty-eight million, six hundred sixty-four thousand, four hundred twenty".