84938828447 has 8 divisors (see below), whose sum is σ = 93068739072. Its totient is φ = 76876951000.

The previous prime is 84938828389. The next prime is 84938828531. The reversal of 84938828447 is 74482883948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84938828447 - 2²⁸ = 84670392991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84938828047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17005679 + ... + 17010672.

It is an arithmetic number, because the mean of its divisors is an integer number (11633592384).

Almost surely, 2^84938828447 is an apocalyptic number.

84938828447 is a deficient number, since it is larger than the sum of its proper divisors (8129910625).

84938828447 is a wasteful number, since it uses less digits than its factorization.

84938828447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34016589.

The product of its digits is 99090432, while the sum is 65.

The spelling of 84938828447 in words is "eighty-four billion, nine hundred thirty-eight million, eight hundred twenty-eight thousand, four hundred forty-seven".