83276545 has 32 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 57818880.

The previous prime is 83276521. The next prime is 83276579. The reversal of 83276545 is 54567238.

It is not a de Polignac number, because 83276545 - 2¹¹ = 83274497 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 83276498 and 83276507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173616 + ... + 174094.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^83276545 is an apocalyptic number.

83276545 is the 5269-th octagonal number.

It is an amenable number.

83276545 is a deficient number, since it is larger than the sum of its proper divisors (30771455).

83276545 is a wasteful number, since it uses less digits than its factorization.

83276545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 201600, while the sum is 40.

The square root of 83276545 is about 9125.5983365476. The cubic root of 83276545 is about 436.6909914646.

It can be divided in two parts, 832 and 76545, that added together give a palindrome (77377).

The spelling of 83276545 in words is "eighty-three million, two hundred seventy-six thousand, five hundred forty-five".