83270765 has 4 divisors (see below), whose sum is σ = 99924924. Its totient is φ = 66616608.

The previous prime is 83270753. The next prime is 83270767. The reversal of 83270765 is 56707238.

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 52954729 + 30316036 = 7277^2 + 5506^2 .

It is a cyclic number.

It is not a de Polignac number, because 83270765 - 2⁶ = 83270701 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83270767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327072 + ... + 8327081.

It is an arithmetic number, because the mean of its divisors is an integer number (24981231).

Almost surely, 2^83270765 is an apocalyptic number.

It is an amenable number.

83270765 is a deficient number, since it is larger than the sum of its proper divisors (16654159).

83270765 is a wasteful number, since it uses less digits than its factorization.

83270765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654158.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 83270765 is about 9125.2816394893. The cubic root of 83270765 is about 436.6808880502.

The spelling of 83270765 in words is "eighty-three million, two hundred seventy thousand, seven hundred sixty-five".