83945248454 has 8 divisors (see below), whose sum is σ = 127982100288. Its totient is φ = 41284548360.

The previous prime is 83945248451. The next prime is 83945248477. The reversal of 83945248454 is 45484254938.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83945248454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83945248451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344037782 + ... + 344038025.

It is an arithmetic number, because the mean of its divisors is an integer number (15997762536).

Almost surely, 2^83945248454 is an apocalyptic number.

83945248454 is a deficient number, since it is larger than the sum of its proper divisors (44036851834).

83945248454 is a wasteful number, since it uses less digits than its factorization.

83945248454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688075870.

The product of its digits is 22118400, while the sum is 56.

The spelling of 83945248454 in words is "eighty-three billion, nine hundred forty-five million, two hundred forty-eight thousand, four hundred fifty-four".