8280765 has 16 divisors (see below), whose sum is σ = 14721600. Its totient is φ = 4416336.

The previous prime is 8280763. The next prime is 8280787. The reversal of 8280765 is 5670828.

It is not a de Polignac number, because 8280765 - 2¹ = 8280763 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30535 + ... + 30804.

It is an arithmetic number, because the mean of its divisors is an integer number (920100).

Almost surely, 2^8280765 is an apocalyptic number.

It is an amenable number.

8280765 is a deficient number, since it is larger than the sum of its proper divisors (6440835).

8280765 is a wasteful number, since it uses less digits than its factorization.

8280765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61353 (or 61347 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8280765 is about 2877.6318388564. The cubic root of 8280765 is about 202.3128586558.

It can be divided in two parts, 8280 and 765, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8280765 in words is "eight million, two hundred eighty thousand, seven hundred sixty-five".