86487700 has 36 divisors (see below), whose sum is σ = 202118140. Its totient is φ = 31933440.

The previous prime is 86487673. The next prime is 86487701. The reversal of 86487700 is 778468.

It can be written as a sum of positive squares in 6 ways, for example, as 2178576 + 84309124 = 1476^2 + 9182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86487701) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 31965 + ... + 34564.

Almost surely, 2^86487700 is an apocalyptic number.

It is an amenable number.

86487700 is an abundant number, since it is smaller than the sum of its proper divisors (115630440).

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

86487700 is a wasteful number, since it uses less digits than its factorization.

86487700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66556 (or 66549 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 86487700 is about 9299.8763432639. The cubic root of 86487700 is about 442.2333077568.

The spelling of 86487700 in words is "eighty-six million, four hundred eighty-seven thousand, seven hundred".