117406787 has 2 divisors, whose sum is σ = 117406788. Its totient is φ = 117406786.

The previous prime is 117406771. The next prime is 117406831. The reversal of 117406787 is 787604711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117406787 - 2⁴ = 117406771 is a prime.

It is not a weakly prime, because it can be changed into another prime (117406747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58703393 + 58703394.

It is an arithmetic number, because the mean of its divisors is an integer number (58703394).

Almost surely, 2^117406787 is an apocalyptic number.

117406787 is a deficient number, since it is larger than the sum of its proper divisors (1).

117406787 is an equidigital number, since it uses as much as digits as its factorization.

117406787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 117406787 is about 10835.4412462068. The cubic root of 117406787 is about 489.6635021363.

The spelling of 117406787 in words is "one hundred seventeen million, four hundred six thousand, seven hundred eighty-seven".