100840785577 has 8 divisors (see below), whose sum is σ = 118964244992. Its totient is φ = 83646734400.

The previous prime is 100840785541. The next prime is 100840785583. The reversal of 100840785577 is 775587048001.

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 100840785577 - 2³¹ = 98693301929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100840785587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232351824 + ... + 232352257.

It is an arithmetic number, because the mean of its divisors is an integer number (14870530624).

Almost surely, 2^100840785577 is an apocalyptic number.

It is an amenable number.

100840785577 is a deficient number, since it is larger than the sum of its proper divisors (18123459415).

100840785577 is an equidigital number, since it uses as much as digits as its factorization.

100840785577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464704119.

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 100840785577 in words is "one hundred billion, eight hundred forty million, seven hundred eighty-five thousand, five hundred seventy-seven".