83444266863 has 12 divisors (see below), whose sum is σ = 120595052448. Its totient is φ = 55599767520.

The previous prime is 83444266859. The next prime is 83444266903. The reversal of 83444266863 is 36866244438.

83444266863 is a `hidden beast` number, since 83 + 4 + 442 + 6 + 68 + 63 = 666.

It is not a de Polignac number, because 83444266863 - 2² = 83444266859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83444266163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2460870 + ... + 2494547.

It is an arithmetic number, because the mean of its divisors is an integer number (10049587704).

Almost surely, 2^83444266863 is an apocalyptic number.

83444266863 is a deficient number, since it is larger than the sum of its proper divisors (37150785585).

83444266863 is a wasteful number, since it uses less digits than its factorization.

83444266863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957294 (or 4957291 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 54.

The spelling of 83444266863 in words is "eighty-three billion, four hundred forty-four million, two hundred sixty-six thousand, eight hundred sixty-three".