116780257 has 4 divisors (see below), whose sum is σ = 127396656. Its totient is φ = 106163860.

The previous prime is 116780243. The next prime is 116780281. The reversal of 116780257 is 752087611.

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 116780257 - 2¹⁹ = 116255969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116780227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5308183 + ... + 5308204.

It is an arithmetic number, because the mean of its divisors is an integer number (31849164).

Almost surely, 2^116780257 is an apocalyptic number.

It is an amenable number.

116780257 is a deficient number, since it is larger than the sum of its proper divisors (10616399).

116780257 is a wasteful number, since it uses less digits than its factorization.

116780257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616398.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 116780257 is about 10806.4914287663. The cubic root of 116780257 is about 488.7909341417.

The spelling of 116780257 in words is "one hundred sixteen million, seven hundred eighty thousand, two hundred fifty-seven".