86688270 has 48 divisors (see below), whose sum is σ = 238651920. Its totient is φ = 21756672.

The previous prime is 86688269. The next prime is 86688281. The reversal of 86688270 is 7288668.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26800 + ... + 29859.

It is an arithmetic number, because the mean of its divisors is an integer number (4971915).

Almost surely, 2^86688270 is an apocalyptic number.

86688270 is an abundant number, since it is smaller than the sum of its proper divisors (151963650).

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

86688270 is a wasteful number, since it uses less digits than its factorization.

86688270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56689 (or 56686 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 86688270 is about 9310.6535753405. The cubic root of 86688270 is about 442.5748987456.

The spelling of 86688270 in words is "eighty-six million, six hundred eighty-eight thousand, two hundred seventy".