117426879 has 6 divisors (see below), whose sum is σ = 169616616. Its totient is φ = 78284580.

The previous prime is 117426877. The next prime is 117426913. The reversal of 117426879 is 978624711.

It is a happy number.

It is not a de Polignac number, because 117426879 - 2¹ = 117426877 is a prime.

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6523707 + ... + 6523724.

It is an arithmetic number, because the mean of its divisors is an integer number (28269436).

Almost surely, 2^117426879 is an apocalyptic number.

117426879 is a deficient number, since it is larger than the sum of its proper divisors (52189737).

117426879 is a wasteful number, since it uses less digits than its factorization.

117426879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13047437 (or 13047434 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 117426879 is about 10836.3683492211. The cubic root of 117426879 is about 489.6914328269.

The spelling of 117426879 in words is "one hundred seventeen million, four hundred twenty-six thousand, eight hundred seventy-nine".