117777071883 has 16 divisors (see below), whose sum is σ = 165341479680. Its totient is φ = 74367372384.

The previous prime is 117777071843. The next prime is 117777071887. The reversal of 117777071883 is 388170777711.

It is not a de Polignac number, because 117777071883 - 2⁹ = 117777071371 is a prime.

It is a super-2 number, since 2×117777071883² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (117777071887) 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, 14391 + ... + 485552.

It is an arithmetic number, because the mean of its divisors is an integer number (10333842480).

Almost surely, 2^117777071883 is an apocalyptic number.

117777071883 is a deficient number, since it is larger than the sum of its proper divisors (47564407797).

117777071883 is a wasteful number, since it uses less digits than its factorization.

117777071883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504098.

The product of its (nonzero) digits is 3226944, while the sum is 57.

The spelling of 117777071883 in words is "one hundred seventeen billion, seven hundred seventy-seven million, seventy-one thousand, eight hundred eighty-three".