83087445 has 16 divisors (see below), whose sum is σ = 151931520. Its totient is φ = 37982784.

The previous prime is 83087419. The next prime is 83087447. The reversal of 83087445 is 54478038.

It is not a de Polignac number, because 83087445 - 2¹⁷ = 82956373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83087447) 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, 395550 + ... + 395759.

It is an arithmetic number, because the mean of its divisors is an integer number (9495720).

Almost surely, 2^83087445 is an apocalyptic number.

It is an amenable number.

83087445 is a deficient number, since it is larger than the sum of its proper divisors (68844075).

83087445 is a wasteful number, since it uses less digits than its factorization.

83087445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791324.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 83087445 is about 9115.2314836212. The cubic root of 83087445 is about 436.3602026442.

It can be divided in two parts, 8308 and 7445, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 83087445 in words is "eighty-three million, eighty-seven thousand, four hundred forty-five".