117001779 has 8 divisors (see below), whose sum is σ = 158646720. Its totient is φ = 76679016.

The previous prime is 117001771. The next prime is 117001789. The reversal of 117001779 is 977100711.

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

It is not a de Polignac number, because 117001779 - 2³ = 117001771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117001771) 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, 330337 + ... + 330690.

It is an arithmetic number, because the mean of its divisors is an integer number (19830840).

Almost surely, 2^117001779 is an apocalyptic number.

117001779 is a deficient number, since it is larger than the sum of its proper divisors (41644941).

117001779 is an equidigital number, since it uses as much as digits as its factorization.

117001779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661089.

The product of its (nonzero) digits is 3087, while the sum is 33.

The square root of 117001779 is about 10816.7360603835. The cubic root of 117001779 is about 489.0998035675.

The spelling of 117001779 in words is "one hundred seventeen million, one thousand, seven hundred seventy-nine".