83465845 has 4 divisors (see below), whose sum is σ = 100159020. Its totient is φ = 66772672.

The previous prime is 83465839. The next prime is 83465861. The reversal of 83465845 is 54856438.

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 20088324 + 63377521 = 4482^2 + 7961^2 .

It is a cyclic number.

It is not a de Polignac number, because 83465845 - 2⁷ = 83465717 is a prime.

It is a congruent 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, 8346580 + ... + 8346589.

It is an arithmetic number, because the mean of its divisors is an integer number (25039755).

Almost surely, 2^83465845 is an apocalyptic number.

It is an amenable number.

83465845 is a deficient number, since it is larger than the sum of its proper divisors (16693175).

83465845 is a wasteful number, since it uses less digits than its factorization.

83465845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693174.

The product of its digits is 460800, while the sum is 43.

The square root of 83465845 is about 9135.9643716468. The cubic root of 83465845 is about 437.0216289672.

The spelling of 83465845 in words is "eighty-three million, four hundred sixty-five thousand, eight hundred forty-five".