117772548 has 12 divisors (see below), whose sum is σ = 274802640. Its totient is φ = 39257512.

The previous prime is 117772511. The next prime is 117772559. The reversal of 117772548 is 845277711.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907178 + ... + 4907201.

It is an arithmetic number, because the mean of its divisors is an integer number (22900220).

Almost surely, 2^117772548 is an apocalyptic number.

It is an amenable number.

117772548 is an abundant number, since it is smaller than the sum of its proper divisors (157030092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117772548 is a wasteful number, since it uses less digits than its factorization.

117772548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9814386 (or 9814384 counting only the distinct ones).

The product of its digits is 109760, while the sum is 42.

The square root of 117772548 is about 10852.3061143703. The cubic root of 117772548 is about 490.1714629705.

The spelling of 117772548 in words is "one hundred seventeen million, seven hundred seventy-two thousand, five hundred forty-eight".