88399902 has 16 divisors (see below), whose sum is σ = 184487040. Its totient is φ = 28185432.

The previous prime is 88399901. The next prime is 88399907. The reversal of 88399902 is 20999388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88399901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320152 + ... + 320427.

It is an arithmetic number, because the mean of its divisors is an integer number (11530440).

Almost surely, 2^88399902 is an apocalyptic number.

88399902 is an abundant number, since it is smaller than the sum of its proper divisors (96087138).

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

88399902 is a wasteful number, since it uses less digits than its factorization.

88399902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640607.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 88399902 is about 9402.1222072466. The cubic root of 88399902 is about 445.4687683190.

The spelling of 88399902 in words is "eighty-eight million, three hundred ninety-nine thousand, nine hundred two".