83757408317823 has 32 divisors (see below), whose sum is σ = 117638047236096. Its totient is φ = 52903747765088.

The previous prime is 83757408317819. The next prime is 83757408317923. The reversal of 83757408317823 is 32871380475738.

It is a cyclic number.

It is not a de Polignac number, because 83757408317823 - 2² = 83757408317819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83757408317813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50743186 + ... + 52367792.

It is an arithmetic number, because the mean of its divisors is an integer number (3676188976128).

Almost surely, 2^{83757408317823} is an apocalyptic number.

83757408317823 is a deficient number, since it is larger than the sum of its proper divisors (33880638918273).

83757408317823 is a wasteful number, since it uses less digits than its factorization.

83757408317823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631723.

The product of its (nonzero) digits is 189665280, while the sum is 66.

The spelling of 83757408317823 in words is "eighty-three trillion, seven hundred fifty-seven billion, four hundred eight million, three hundred seventeen thousand, eight hundred twenty-three".