117449780831 has 8 divisors (see below), whose sum is σ = 118235192880. Its totient is φ = 116666739072.

The previous prime is 117449780797. The next prime is 117449780839. The reversal of 117449780831 is 138087944711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117449780831 is a prime.

It is a super-2 number, since 2×117449780831² (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 (117449780839) 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, 493085 + ... + 691398.

It is an arithmetic number, because the mean of its divisors is an integer number (14779399110).

Almost surely, 2^117449780831 is an apocalyptic number.

117449780831 is a deficient number, since it is larger than the sum of its proper divisors (785412049).

117449780831 is a wasteful number, since it uses less digits than its factorization.

117449780831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185145.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 117449780831 in words is "one hundred seventeen billion, four hundred forty-nine million, seven hundred eighty thousand, eight hundred thirty-one".