117426717644 has 24 divisors (see below), whose sum is σ = 210539065968. Its totient is φ = 57273109760.

The previous prime is 117426717641. The next prime is 117426717719. The reversal of 117426717644 is 446717624711.

It is a junction number, because it is equal to n+sod(n) for n = 117426717592 and 117426717601.

It is not an unprimeable number, because it can be changed into a prime (117426717641) 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, 1186184 + ... + 1281360.

It is an arithmetic number, because the mean of its divisors is an integer number (8772461082).

Almost surely, 2^117426717644 is an apocalyptic number.

It is an amenable number.

117426717644 is a deficient number, since it is larger than the sum of its proper divisors (93112348324).

117426717644 is a wasteful number, since it uses less digits than its factorization.

117426717644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102745 (or 102743 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

It can be divided in two parts, 1174267 and 17644, that added together give a palindrome (1191911).

The spelling of 117426717644 in words is "one hundred seventeen billion, four hundred twenty-six million, seven hundred seventeen thousand, six hundred forty-four".