100800087 has 8 divisors (see below), whose sum is σ = 134722560. Its totient is φ = 67038840.

The previous prime is 100800061. The next prime is 100800113. The reversal of 100800087 is 780008001.

It is an interprime number because it is at equal distance from previous prime (100800061) and next prime (100800113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100800087 - 2¹¹ = 100798039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100800047) 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, 38839 + ... + 41352.

It is an arithmetic number, because the mean of its divisors is an integer number (16840320).

Almost surely, 2^100800087 is an apocalyptic number.

100800087 is a deficient number, since it is larger than the sum of its proper divisors (33922473).

100800087 is an equidigital number, since it uses as much as digits as its factorization.

100800087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80613.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 100800087 is about 10039.9246511117. The cubic root of 100800087 is about 465.3934881830.

Adding to 100800087 its reverse (780008001), we get a palindrome (880808088).

The spelling of 100800087 in words is "one hundred million, eight hundred thousand, eighty-seven".