117649650 has 48 divisors (see below), whose sum is σ = 301195008. Its totient is φ = 30360000.

The previous prime is 117649633. The next prime is 117649657. The reversal of 117649650 is 56946711.

It is a junction number, because it is equal to n+sod(n) for n = 117649599 and 117649608.

It is not an unprimeable number, because it can be changed into a prime (117649657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8001 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (6274896).

Almost surely, 2^117649650 is an apocalyptic number.

117649650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117649650 is an abundant number, since it is smaller than the sum of its proper divisors (183545358).

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

117649650 is a wasteful number, since it uses less digits than its factorization.

117649650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347 (or 25342 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 117649650 is about 10846.6423376084. The cubic root of 117649650 is about 490.0009024001. Note that the first 3 decimals are identical.

The spelling of 117649650 in words is "one hundred seventeen million, six hundred forty-nine thousand, six hundred fifty".