116405777 has 4 divisors (see below), whose sum is σ = 116928000. Its totient is φ = 115883556.

The previous prime is 116405771. The next prime is 116405791. The reversal of 116405777 is 777504611.

It is a happy number.

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 116405777 - 2⁸ = 116405521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116405777.

It is not an unprimeable number, because it can be changed into a prime (116405771) 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, 260777 + ... + 261222.

It is an arithmetic number, because the mean of its divisors is an integer number (29232000).

Almost surely, 2^116405777 is an apocalyptic number.

It is an amenable number.

116405777 is a deficient number, since it is larger than the sum of its proper divisors (522223).

116405777 is an equidigital number, since it uses as much as digits as its factorization.

116405777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522222.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 116405777 is about 10789.1508933743. The cubic root of 116405777 is about 488.2679050000.

The spelling of 116405777 in words is "one hundred sixteen million, four hundred five thousand, seven hundred seventy-seven".