116777321 has 4 divisors (see below), whose sum is σ = 118422144. Its totient is φ = 115132500.

The previous prime is 116777303. The next prime is 116777333. The reversal of 116777321 is 123777611.

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 116777321 - 2¹⁸ = 116515177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116777351) 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, 822305 + ... + 822446.

It is an arithmetic number, because the mean of its divisors is an integer number (29605536).

Almost surely, 2^116777321 is an apocalyptic number.

It is an amenable number.

116777321 is a deficient number, since it is larger than the sum of its proper divisors (1644823).

116777321 is an equidigital number, since it uses as much as digits as its factorization.

116777321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644822.

The product of its digits is 12348, while the sum is 35.

The square root of 116777321 is about 10806.3555836369. The cubic root of 116777321 is about 488.7868378380.

The spelling of 116777321 in words is "one hundred sixteen million, seven hundred seventy-seven thousand, three hundred twenty-one".