106720777042087 has 6 divisors (see below), whose sum is σ = 115561551471792. Its totient is φ = 98511486500232.

The previous prime is 106720777042081. The next prime is 106720777042091. The reversal of 106720777042087 is 780240777027601.

It is not a de Polignac number, because 106720777042087 - 2³ = 106720777042079 is a prime.

It is a super-2 number, since 2×106720777042087² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106720777042081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315741943743 + ... + 315741944080.

It is an arithmetic number, because the mean of its divisors is an integer number (19260258578632).

Almost surely, 2^{106720777042087} is an apocalyptic number.

106720777042087 is a deficient number, since it is larger than the sum of its proper divisors (8840774429705).

106720777042087 is an equidigital number, since it uses as much as digits as its factorization.

106720777042087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631483887849 (or 631483887836 counting only the distinct ones).

The product of its (nonzero) digits is 12907776, while the sum is 58.

The spelling of 106720777042087 in words is "one hundred six trillion, seven hundred twenty billion, seven hundred seventy-seven million, forty-two thousand, eighty-seven".