117720787472 has 10 divisors (see below), whose sum is σ = 228084025758. Its totient is φ = 58860393728.

The previous prime is 117720787441. The next prime is 117720787489. The reversal of 117720787472 is 274787027711.

It can be written as a sum of positive squares in only one way, i.e., 59660993536 + 58059793936 = 244256^2 + 240956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678774593 + ... + 3678774624.

Almost surely, 2^117720787472 is an apocalyptic number.

It is an amenable number.

117720787472 is a deficient number, since it is larger than the sum of its proper divisors (110363238286).

117720787472 is an equidigital number, since it uses as much as digits as its factorization.

117720787472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357549225 (or 7357549219 counting only the distinct ones).

The product of its (nonzero) digits is 2151296, while the sum is 53.

The spelling of 117720787472 in words is "one hundred seventeen billion, seven hundred twenty million, seven hundred eighty-seven thousand, four hundred seventy-two".