83234399390 has 24 divisors (see below), whose sum is σ = 156619142568. Its totient is φ = 31846202960.

The previous prime is 83234399351. The next prime is 83234399407. The reversal of 83234399390 is 9399343238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7861856 + ... + 7872435.

It is an arithmetic number, because the mean of its divisors is an integer number (6525797607).

Almost surely, 2^83234399390 is an apocalyptic number.

83234399390 is a deficient number, since it is larger than the sum of its proper divisors (73384743178).

83234399390 is a wasteful number, since it uses less digits than its factorization.

83234399390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734344 (or 15734321 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 83234399390 in words is "eighty-three billion, two hundred thirty-four million, three hundred ninety-nine thousand, three hundred ninety".