83954447 has 16 divisors (see below), whose sum is σ = 88273152. Its totient is φ = 79779840.

The previous prime is 83954441. The next prime is 83954473. The reversal of 83954447 is 74445938.

It is a cyclic number.

It is not a de Polignac number, because 83954447 - 2⁸ = 83954191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83954398 and 83954407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83954441) 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, 326543 + ... + 326799.

It is an arithmetic number, because the mean of its divisors is an integer number (5517072).

Almost surely, 2^83954447 is an apocalyptic number.

83954447 is a deficient number, since it is larger than the sum of its proper divisors (4318705).

83954447 is a wasteful number, since it uses less digits than its factorization.

83954447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its digits is 483840, while the sum is 44.

The square root of 83954447 is about 9162.6659330132. The cubic root of 83954447 is about 437.8727329138.

The spelling of 83954447 in words is "eighty-three million, nine hundred fifty-four thousand, four hundred forty-seven".