87280101 has 12 divisors (see below), whose sum is σ = 131552928. Its totient is φ = 55656744.

The previous prime is 87280099. The next prime is 87280121. The reversal of 87280101 is 10108278.

It is not a de Polignac number, because 87280101 - 2¹ = 87280099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87280121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210615 + ... + 211028.

It is an arithmetic number, because the mean of its divisors is an integer number (10962744).

Almost surely, 2^87280101 is an apocalyptic number.

It is an amenable number.

87280101 is a deficient number, since it is larger than the sum of its proper divisors (44272827).

87280101 is a wasteful number, since it uses less digits than its factorization.

87280101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421672 (or 421669 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 87280101 is about 9342.3819767766. The cubic root of 87280101 is about 443.5797856463.

Adding to 87280101 its reverse (10108278), we get a palindrome (97388379).

The spelling of 87280101 in words is "eighty-seven million, two hundred eighty thousand, one hundred one".