116348781 has 4 divisors (see below), whose sum is σ = 155131712. Its totient is φ = 77565852.

The previous prime is 116348741. The next prime is 116348801. The reversal of 116348781 is 187843611.

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 not a de Polignac number, because 116348781 - 2¹³ = 116340589 is a prime.

It is a super-2 number, since 2×116348781² = 27074077680371922, 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 (116348711) 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 3 ways as a sum of consecutive naturals, for example, 19391461 + ... + 19391466.

It is an arithmetic number, because the mean of its divisors is an integer number (38782928).

Almost surely, 2^116348781 is an apocalyptic number.

It is an amenable number.

116348781 is a deficient number, since it is larger than the sum of its proper divisors (38782931).

116348781 is an equidigital number, since it uses as much as digits as its factorization.

116348781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38782930.

The product of its digits is 32256, while the sum is 39.

The square root of 116348781 is about 10786.5092129011. The cubic root of 116348781 is about 488.1882014506.

The spelling of 116348781 in words is "one hundred sixteen million, three hundred forty-eight thousand, seven hundred eighty-one".