87206860 has 24 divisors (see below), whose sum is σ = 197222256. Its totient is φ = 32199360.

The previous prime is 87206849. The next prime is 87206863. The reversal of 87206860 is 6860278.

It is not an unprimeable number, because it can be changed into a prime (87206863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167446 + ... + 167965.

It is an arithmetic number, because the mean of its divisors is an integer number (8217594).

Almost surely, 2^87206860 is an apocalyptic number.

It is an amenable number.

87206860 is an abundant number, since it is smaller than the sum of its proper divisors (110015396).

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

87206860 is a wasteful number, since it uses less digits than its factorization.

87206860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335433 (or 335431 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 87206860 is about 9338.4613293626. The cubic root of 87206860 is about 443.4556744288.

The spelling of 87206860 in words is "eighty-seven million, two hundred six thousand, eight hundred sixty".