83900264064 has 256 divisors, whose sum is σ = 239520153600. Its totient is φ = 25956311040.

The previous prime is 83900264027. The next prime is 83900264081. The reversal of 83900264064 is 46046200938.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80750457 + ... + 80751495.

It is an arithmetic number, because the mean of its divisors is an integer number (935625600).

Almost surely, 2^83900264064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83900264064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119760076800).

83900264064 is an abundant number, since it is smaller than the sum of its proper divisors (155619889536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83900264064 is a wasteful number, since it uses less digits than its factorization.

83900264064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 83900264064 in words is "eighty-three billion, nine hundred million, two hundred sixty-four thousand, sixty-four".