83290023648 has 144 divisors (see below), whose sum is σ = 266166220320. Its totient is φ = 24513426432.

The previous prime is 83290023643. The next prime is 83290023659. The reversal of 83290023648 is 84632009238.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83290023643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397503 + ... + 569726.

It is an arithmetic number, because the mean of its divisors is an integer number (1848376530).

Almost surely, 2^83290023648 is an apocalyptic number.

It is an amenable number.

83290023648 is an abundant number, since it is smaller than the sum of its proper divisors (182876196672).

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

83290023648 is a wasteful number, since it uses less digits than its factorization.

83290023648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967281 (or 967270 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 83290023648 in words is "eighty-three billion, two hundred ninety million, twenty-three thousand, six hundred forty-eight".