83728570223577 has 8 divisors (see below), whose sum is σ = 111838521090816. Its totient is φ = 55718833086032.

The previous prime is 83728570223563. The next prime is 83728570223581. The reversal of 83728570223577 is 77532207582738.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83728570223577 - 2⁴ = 83728570223561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83728570223377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25053430473 + ... + 25053433814.

It is an arithmetic number, because the mean of its divisors is an integer number (13979815136352).

Almost surely, 2^{83728570223577} is an apocalyptic number.

It is an amenable number.

83728570223577 is a deficient number, since it is larger than the sum of its proper divisors (28109950867239).

83728570223577 is a wasteful number, since it uses less digits than its factorization.

83728570223577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50106864847.

The product of its (nonzero) digits is 276595200, while the sum is 66.

The spelling of 83728570223577 in words is "eighty-three trillion, seven hundred twenty-eight billion, five hundred seventy million, two hundred twenty-three thousand, five hundred seventy-seven".