88990100 has 18 divisors (see below), whose sum is σ = 193108734. Its totient is φ = 35596000.

The previous prime is 88990093. The next prime is 88990141. The reversal of 88990100 is 109988.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5779216 + 83210884 = 2404^2 + 9122^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444851 + ... + 445050.

It is an arithmetic number, because the mean of its divisors is an integer number (10728263).

Almost surely, 2^88990100 is an apocalyptic number.

It is an amenable number.

88990100 is an abundant number, since it is smaller than the sum of its proper divisors (104118634).

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

88990100 is a wasteful number, since it uses less digits than its factorization.

88990100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889915 (or 889908 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 88990100 is about 9433.4564185138. The cubic root of 88990100 is about 446.4579542718.

The spelling of 88990100 in words is "eighty-eight million, nine hundred ninety thousand, one hundred".