117777660737 has 12 divisors (see below), whose sum is σ = 129555823488. Its totient is φ = 106989768600.

The previous prime is 117777660733. The next prime is 117777660739. The reversal of 117777660737 is 737066777711.

It is not a de Polignac number, because 117777660737 - 2² = 117777660733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117777660733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206189 + ... + 527322.

It is an arithmetic number, because the mean of its divisors is an integer number (10796318624).

Almost surely, 2^117777660737 is an apocalyptic number.

It is an amenable number.

117777660737 is a deficient number, since it is larger than the sum of its proper divisors (11778162751).

117777660737 is a wasteful number, since it uses less digits than its factorization.

117777660737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734860 (or 734849 counting only the distinct ones).

The product of its (nonzero) digits is 12706092, while the sum is 59.

The spelling of 117777660737 in words is "one hundred seventeen billion, seven hundred seventy-seven million, six hundred sixty thousand, seven hundred thirty-seven".