117426870 has 144 divisors (see below), whose sum is σ = 345080736. Its totient is φ = 27667200.

The previous prime is 117426847. The next prime is 117426877. The reversal of 117426870 is 78624711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117426877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 446359 + ... + 446621.

It is an arithmetic number, because the mean of its divisors is an integer number (2396394).

Almost surely, 2^117426870 is an apocalyptic number.

117426870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117426870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172540368).

117426870 is an abundant number, since it is smaller than the sum of its proper divisors (227653866).

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

117426870 is a wasteful number, since it uses less digits than its factorization.

117426870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 117426870 is about 10836.3679339528. The cubic root of 117426870 is about 489.6914203164.

The spelling of 117426870 in words is "one hundred seventeen million, four hundred twenty-six thousand, eight hundred seventy".