87682401 has 12 divisors (see below), whose sum is σ = 129347712. Its totient is φ = 57210936.

The previous prime is 87682393. The next prime is 87682421. The reversal of 87682401 is 10428678.

It is not a de Polignac number, because 87682401 - 2³ = 87682393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87682421) 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, 103221 + ... + 104066.

It is an arithmetic number, because the mean of its divisors is an integer number (10778976).

Almost surely, 2^87682401 is an apocalyptic number.

It is an amenable number.

87682401 is a deficient number, since it is larger than the sum of its proper divisors (41665311).

87682401 is a wasteful number, since it uses less digits than its factorization.

87682401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207340 (or 207337 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 87682401 is about 9363.8881347440. Note that the first 3 decimals coincide. The cubic root of 87682401 is about 444.2602716752.

The spelling of 87682401 in words is "eighty-seven million, six hundred eighty-two thousand, four hundred one".