116881539 has 8 divisors (see below), whose sum is σ = 156033360. Its totient is φ = 77825376.

The previous prime is 116881519. The next prime is 116881573. The reversal of 116881539 is 935188611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116881539 - 2¹² = 116877443 is a prime.

It is a super-2 number, since 2×116881539² = 27322588318017042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116881539.

It is not an unprimeable number, because it can be changed into a prime (116881519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21012 + ... + 25985.

It is an arithmetic number, because the mean of its divisors is an integer number (19504170).

Almost surely, 2^116881539 is an apocalyptic number.

116881539 is a deficient number, since it is larger than the sum of its proper divisors (39151821).

116881539 is an equidigital number, since it uses as much as digits as its factorization.

116881539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47829.

The product of its digits is 51840, while the sum is 42.

The square root of 116881539 is about 10811.1765779678. The cubic root of 116881539 is about 488.9322006528.

The spelling of 116881539 in words is "one hundred sixteen million, eight hundred eighty-one thousand, five hundred thirty-nine".