83447007 has 32 divisors (see below), whose sum is σ = 132295680. Its totient is φ = 45776640.

The previous prime is 83446991. The next prime is 83447011. The reversal of 83447007 is 70074438.

It is a happy number.

It is not a de Polignac number, because 83447007 - 2⁴ = 83446991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83447017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159907 + ... + 160427.

It is an arithmetic number, because the mean of its divisors is an integer number (4134240).

Almost surely, 2^83447007 is an apocalyptic number.

83447007 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

83447007 is a deficient number, since it is larger than the sum of its proper divisors (48848673).

83447007 is a wasteful number, since it uses less digits than its factorization.

83447007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 83447007 is about 9134.9333330901. The cubic root of 83447007 is about 436.9887483205.

It can be divided in two parts, 8344 and 7007, that added together give a palindrome (15351).

The spelling of 83447007 in words is "eighty-three million, four hundred forty-seven thousand, seven".