117764776501 has 2 divisors, whose sum is σ = 117764776502. Its totient is φ = 117764776500.

The previous prime is 117764776483. The next prime is 117764776511. The reversal of 117764776501 is 105677467711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104064308100 + 13700468401 = 322590^2 + 117049^2 .

It is an emirp because it is prime and its reverse (105677467711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117764776501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117764776511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58882388250 + 58882388251.

It is an arithmetic number, because the mean of its divisors is an integer number (58882388251).

Almost surely, 2^117764776501 is an apocalyptic number.

It is an amenable number.

117764776501 is a deficient number, since it is larger than the sum of its proper divisors (1).

117764776501 is an equidigital number, since it uses as much as digits as its factorization.

117764776501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 52.

The spelling of 117764776501 in words is "one hundred seventeen billion, seven hundred sixty-four million, seven hundred seventy-six thousand, five hundred one".