116027991 has 32 divisors (see below), whose sum is σ = 177186240. Its totient is φ = 74995200.

The previous prime is 116027969. The next prime is 116028001. The reversal of 116027991 is 199720611.

It is not a de Polignac number, because 116027991 - 2¹⁴ = 116011607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116027591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310881 + ... + 311253.

It is an arithmetic number, because the mean of its divisors is an integer number (5537070).

Almost surely, 2^116027991 is an apocalyptic number.

116027991 is a deficient number, since it is larger than the sum of its proper divisors (61158249).

116027991 is a wasteful number, since it uses less digits than its factorization.

116027991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 116027991 is about 10771.6289854413. The cubic root of 116027991 is about 487.7391205611.

The spelling of 116027991 in words is "one hundred sixteen million, twenty-seven thousand, nine hundred ninety-one".