100797869089 has 8 divisors (see below), whose sum is σ = 106739528328. Its totient is φ = 94857584640.

The previous prime is 100797868949. The next prime is 100797869153. The reversal of 100797869089 is 980968797001.

It can be written as a sum of positive squares in 4 ways, for example, as 49420846864 + 51377022225 = 222308^2 + 226665^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-100797869089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100797869089.

It is not an unprimeable number, because it can be changed into a prime (100797869189) 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, 190792 + ... + 487849.

It is an arithmetic number, because the mean of its divisors is an integer number (13342441041).

Almost surely, 2^100797869089 is an apocalyptic number.

It is an amenable number.

100797869089 is a deficient number, since it is larger than the sum of its proper divisors (5941659239).

100797869089 is an equidigital number, since it uses as much as digits as its factorization.

100797869089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687395.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The spelling of 100797869089 in words is "one hundred billion, seven hundred ninety-seven million, eight hundred sixty-nine thousand, eighty-nine".