117051787 has 2 divisors, whose sum is σ = 117051788. Its totient is φ = 117051786.

The previous prime is 117051773. The next prime is 117051827. The reversal of 117051787 is 787150711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117051787 - 2⁷ = 117051659 is a prime.

It is a super-2 number, since 2×117051787² = 27402241679786738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117051587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58525893 + 58525894.

It is an arithmetic number, because the mean of its divisors is an integer number (58525894).

Almost surely, 2^117051787 is an apocalyptic number.

117051787 is a deficient number, since it is larger than the sum of its proper divisors (1).

117051787 is an equidigital number, since it uses as much as digits as its factorization.

117051787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13720, while the sum is 37.

The square root of 117051787 is about 10819.0474164780. The cubic root of 117051787 is about 489.1694760669.

The spelling of 117051787 in words is "one hundred seventeen million, fifty-one thousand, seven hundred eighty-seven".