117887480 has 32 divisors (see below), whose sum is σ = 265647600. Its totient is φ = 47083776.

The previous prime is 117887461. The next prime is 117887501. The reversal of 117887480 is 84788711.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30539 + ... + 34181.

Almost surely, 2^117887480 is an apocalyptic number.

117887480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117887480 is an abundant number, since it is smaller than the sum of its proper divisors (147760120).

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

117887480 is a wasteful number, since it uses less digits than its factorization.

117887480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 117887480 is about 10857.6001031536. The cubic root of 117887480 is about 490.3308608143.

The spelling of 117887480 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, four hundred eighty".