117221990077 has 8 divisors (see below), whose sum is σ = 124142559552. Its totient is φ = 110304216000.

The previous prime is 117221990071. The next prime is 117221990117. The reversal of 117221990077 is 770099122711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 117221990077 - 2⁷ = 117221989949 is a prime.

It is a super-2 number, since 2×117221990077² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117221990071) 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, 612199 + ... + 780532.

It is an arithmetic number, because the mean of its divisors is an integer number (15517819944).

Almost surely, 2^117221990077 is an apocalyptic number.

117221990077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117221990077 is a deficient number, since it is larger than the sum of its proper divisors (6920569475).

117221990077 is a wasteful number, since it uses less digits than its factorization.

117221990077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397699.

The product of its (nonzero) digits is 111132, while the sum is 46.

The spelling of 117221990077 in words is "one hundred seventeen billion, two hundred twenty-one million, nine hundred ninety thousand, seventy-seven".