117626783 has 2 divisors, whose sum is σ = 117626784. Its totient is φ = 117626782.

The previous prime is 117626771. The next prime is 117626797. The reversal of 117626783 is 387626711.

It is a weak prime.

It is an emirp because it is prime and its reverse (387626711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117626783 - 2⁴ = 117626767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117626783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117626753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58813391 + 58813392.

It is an arithmetic number, because the mean of its divisors is an integer number (58813392).

Almost surely, 2^117626783 is an apocalyptic number.

117626783 is a deficient number, since it is larger than the sum of its proper divisors (1).

117626783 is an equidigital number, since it uses as much as digits as its factorization.

117626783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 117626783 is about 10845.5881813759. The cubic root of 117626783 is about 489.9691539655.

The spelling of 117626783 in words is "one hundred seventeen million, six hundred twenty-six thousand, seven hundred eighty-three".