86725305 has 24 divisors (see below), whose sum is σ = 151711560. Its totient is φ = 45826560.

The previous prime is 86725267. The next prime is 86725333. The reversal of 86725305 is 50352768.

It can be written as a sum of positive squares in 4 ways, for example, as 7817616 + 78907689 = 2796^2 + 8883^2 .

It is not a de Polignac number, because 86725305 - 2⁸ = 86725049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86725305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3936 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (6321315).

Almost surely, 2^86725305 is an apocalyptic number.

It is an amenable number.

86725305 is a deficient number, since it is larger than the sum of its proper divisors (64986255).

86725305 is a wasteful number, since it uses less digits than its factorization.

86725305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801 (or 17798 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 86725305 is about 9312.6422136792. The cubic root of 86725305 is about 442.6379154520.

The spelling of 86725305 in words is "eighty-six million, seven hundred twenty-five thousand, three hundred five".