116777889 has 16 divisors (see below), whose sum is σ = 175443840. Its totient is φ = 76754160.

The previous prime is 116777887. The next prime is 116777891. The reversal of 116777889 is 988777611.

It is an interprime number because it is at equal distance from previous prime (116777887) and next prime (116777891).

It is not a de Polignac number, because 116777889 - 2¹ = 116777887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (116777887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28542 + ... + 32375.

It is an arithmetic number, because the mean of its divisors is an integer number (10965240).

Almost surely, 2^116777889 is an apocalyptic number.

It is an amenable number.

116777889 is a deficient number, since it is larger than the sum of its proper divisors (58665951).

116777889 is an equidigital number, since it uses as much as digits as its factorization.

116777889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60997 (or 60991 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 54.

The square root of 116777889 is about 10806.3818644355. The cubic root of 116777889 is about 488.7876303163.

The spelling of 116777889 in words is "one hundred sixteen million, seven hundred seventy-seven thousand, eight hundred eighty-nine".