117872507 has 2 divisors, whose sum is σ = 117872508. Its totient is φ = 117872506.

The previous prime is 117872473. The next prime is 117872527. The reversal of 117872507 is 705278711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117872507 - 2¹² = 117868411 is a prime.

It is not a weakly prime, because it can be changed into another prime (117872527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58936253 + 58936254.

It is an arithmetic number, because the mean of its divisors is an integer number (58936254).

Almost surely, 2^117872507 is an apocalyptic number.

117872507 is a deficient number, since it is larger than the sum of its proper divisors (1).

117872507 is an equidigital number, since it uses as much as digits as its factorization.

117872507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 38.

The square root of 117872507 is about 10856.9105642443. The cubic root of 117872507 is about 490.3101008070.

The spelling of 117872507 in words is "one hundred seventeen million, eight hundred seventy-two thousand, five hundred seven".