88368021 has 18 divisors (see below), whose sum is σ = 148483062. Its totient is φ = 50495760.

The previous prime is 88367977. The next prime is 88368083. The reversal of 88368021 is 12086388.

It can be written as a sum of positive squares in only one way, i.e., 51279921 + 37088100 = 7161^2 + 6090^2 .

It is not a de Polignac number, because 88368021 - 2⁹ = 88367509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88368421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 99750 + ... + 100631.

It is an arithmetic number, because the mean of its divisors is an integer number (8249059).

Almost surely, 2^88368021 is an apocalyptic number.

It is an amenable number.

88368021 is a deficient number, since it is larger than the sum of its proper divisors (60115041).

88368021 is a wasteful number, since it uses less digits than its factorization.

88368021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200401 (or 200391 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88368021 is about 9400.4266392542. The cubic root of 88368021 is about 445.4152098228.

The spelling of 88368021 in words is "eighty-eight million, three hundred sixty-eight thousand, twenty-one".