83463644407838 has 8 divisors (see below), whose sum is σ = 125919139829688. Its totient is φ = 41490597797944.

The previous prime is 83463644407837. The next prime is 83463644407903. The reversal of 83463644407838 is 83870444636438.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83463644407837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120612202556 + ... + 120612203247.

It is an arithmetic number, because the mean of its divisors is an integer number (15739892478711).

Almost surely, 2^{83463644407838} is an apocalyptic number.

83463644407838 is a deficient number, since it is larger than the sum of its proper divisors (42455495421850).

83463644407838 is a wasteful number, since it uses less digits than its factorization.

83463644407838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241224405978.

The product of its (nonzero) digits is 891813888, while the sum is 68.

The spelling of 83463644407838 in words is "eighty-three trillion, four hundred sixty-three billion, six hundred forty-four million, four hundred seven thousand, eight hundred thirty-eight".