612271086 has 64 divisors (see below), whose sum is σ = 1537228800. Its totient is φ = 158517216.

The previous prime is 612271073. The next prime is 612271097. The reversal of 612271086 is 680172216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675 + ... + 35033.

It is an arithmetic number, because the mean of its divisors is an integer number (24019200).

Almost surely, 2^612271086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612271086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768614400).

612271086 is an abundant number, since it is smaller than the sum of its proper divisors (924957714).

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

612271086 is a wasteful number, since it uses less digits than its factorization.

612271086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33413.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 612271086 is about 24744.1121481455. The cubic root of 612271086 is about 849.1438142283.

The spelling of 612271086 in words is "six hundred twelve million, two hundred seventy-one thousand, eighty-six".