100780756087 has 8 divisors (see below), whose sum is σ = 109947934080. Its totient is φ = 91614459960.

The previous prime is 100780756081. The next prime is 100780756117. The reversal of 100780756087 is 780657087001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100780756087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100780756087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100780756081) 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, 30964 + ... + 450022.

It is an arithmetic number, because the mean of its divisors is an integer number (13743491760).

Almost surely, 2^100780756087 is an apocalyptic number.

100780756087 is a deficient number, since it is larger than the sum of its proper divisors (9167177993).

100780756087 is a wasteful number, since it uses less digits than its factorization.

100780756087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440933.

The product of its (nonzero) digits is 658560, while the sum is 49.

The spelling of 100780756087 in words is "one hundred billion, seven hundred eighty million, seven hundred fifty-six thousand, eighty-seven".