86226725 has 12 divisors (see below), whose sum is σ = 115146276. Its totient is φ = 63674880.

The previous prime is 86226709. The next prime is 86226743. The reversal of 86226725 is 52762268.

It can be written as a sum of positive squares in 6 ways, for example, as 15952036 + 70274689 = 3994^2 + 8383^2 .

It is not a de Polignac number, because 86226725 - 2⁴ = 86226709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132332 + ... + 132981.

It is an arithmetic number, because the mean of its divisors is an integer number (9595523).

Almost surely, 2^86226725 is an apocalyptic number.

It is an amenable number.

86226725 is a deficient number, since it is larger than the sum of its proper divisors (28919551).

86226725 is a wasteful number, since it uses less digits than its factorization.

86226725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265336 (or 265331 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 86226725 is about 9285.8346420771. The cubic root of 86226725 is about 441.7880493874.

The spelling of 86226725 in words is "eighty-six million, two hundred twenty-six thousand, seven hundred twenty-five".