86631250 has 48 divisors (see below), whose sum is σ = 165364416. Its totient is φ = 34030000.

The previous prime is 86631239. The next prime is 86631253. The reversal of 86631250 is 5213668.

It is not an unprimeable number, because it can be changed into a prime (86631253) 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 23 ways as a sum of consecutive naturals, for example, 518667 + ... + 518833.

It is an arithmetic number, because the mean of its divisors is an integer number (3445092).

Almost surely, 2^86631250 is an apocalyptic number.

86631250 is a deficient number, since it is larger than the sum of its proper divisors (78733166).

86631250 is an equidigital number, since it uses as much as digits as its factorization.

86631250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 86631250 is about 9307.5909880054. The cubic root of 86631250 is about 442.4778415708.

The spelling of 86631250 in words is "eighty-six million, six hundred thirty-one thousand, two hundred fifty".