117535220977 has 16 divisors (see below), whose sum is σ = 123635953152. Its totient is φ = 111518302720.

The previous prime is 117535220969. The next prime is 117535220981. The reversal of 117535220977 is 779022535711.

It is a cyclic number.

It is not a de Polignac number, because 117535220977 - 2³ = 117535220969 is a prime.

It is a super-2 number, since 2×117535220977² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117535220977.

It is not an unprimeable number, because it can be changed into a prime (117535220947) 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, 4274808 + ... + 4302214.

It is an arithmetic number, because the mean of its divisors is an integer number (7727247072).

Almost surely, 2^117535220977 is an apocalyptic number.

It is an amenable number.

117535220977 is a deficient number, since it is larger than the sum of its proper divisors (6100732175).

117535220977 is a wasteful number, since it uses less digits than its factorization.

117535220977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28928.

The product of its (nonzero) digits is 926100, while the sum is 49.

The spelling of 117535220977 in words is "one hundred seventeen billion, five hundred thirty-five million, two hundred twenty thousand, nine hundred seventy-seven".