84448440797 has 32 divisors (see below), whose sum is σ = 106711437312. Its totient is φ = 65116364544.

The previous prime is 84448440773. The next prime is 84448440859. The reversal of 84448440797 is 79704484448.

It is not a de Polignac number, because 84448440797 - 2¹⁰ = 84448439773 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 (84448440997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3949778 + ... + 3971100.

It is an arithmetic number, because the mean of its divisors is an integer number (3334732416).

Almost surely, 2^84448440797 is an apocalyptic number.

It is an amenable number.

84448440797 is a deficient number, since it is larger than the sum of its proper divisors (22262996515).

84448440797 is a wasteful number, since it uses less digits than its factorization.

84448440797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22817.

The product of its (nonzero) digits is 28901376, while the sum is 59.

The spelling of 84448440797 in words is "eighty-four billion, four hundred forty-eight million, four hundred forty thousand, seven hundred ninety-seven".