86770265 has 4 divisors (see below), whose sum is σ = 104124324. Its totient is φ = 69416208.

The previous prime is 86770253. The next prime is 86770331. The reversal of 86770265 is 56207768.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9259849 + 77510416 = 3043^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 86770265 - 2⁴ = 86770249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8677022 + ... + 8677031.

It is an arithmetic number, because the mean of its divisors is an integer number (26031081).

Almost surely, 2^86770265 is an apocalyptic number.

It is an amenable number.

86770265 is a deficient number, since it is larger than the sum of its proper divisors (17354059).

86770265 is a wasteful number, since it uses less digits than its factorization.

86770265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354058.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 86770265 is about 9315.0558237726. The cubic root of 86770265 is about 442.7143927949.

The spelling of 86770265 in words is "eighty-six million, seven hundred seventy thousand, two hundred sixty-five".