107116781 has 4 divisors (see below), whose sum is σ = 107238432. Its totient is φ = 106995132.

The previous prime is 107116771. The next prime is 107116783. The reversal of 107116781 is 187611701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107116781 - 2⁶ = 107116717 is a prime.

It is a super-2 number, since 2×107116781² = 22948009543603922, which 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 (107116783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59495 + ... + 61268.

It is an arithmetic number, because the mean of its divisors is an integer number (26809608).

Almost surely, 2^107116781 is an apocalyptic number.

It is an amenable number.

107116781 is a deficient number, since it is larger than the sum of its proper divisors (121651).

107116781 is an equidigital number, since it uses as much as digits as its factorization.

107116781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121650.

The product of its (nonzero) digits is 2352, while the sum is 32.

The square root of 107116781 is about 10349.7237161192. The cubic root of 107116781 is about 474.9185914040.

The spelling of 107116781 in words is "one hundred seven million, one hundred sixteen thousand, seven hundred eighty-one".