117783077 has 2 divisors, whose sum is σ = 117783078. Its totient is φ = 117783076.

The previous prime is 117783073. The next prime is 117783097. The reversal of 117783077 is 770387711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 1811716 = 10769^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 117783077 - 2² = 117783073 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117783073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58891538 + 58891539.

It is an arithmetic number, because the mean of its divisors is an integer number (58891539).

Almost surely, 2^117783077 is an apocalyptic number.

It is an amenable number.

117783077 is a deficient number, since it is larger than the sum of its proper divisors (1).

117783077 is an equidigital number, since it uses as much as digits as its factorization.

117783077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624, while the sum is 41.

The square root of 117783077 is about 10852.7912077953. The cubic root of 117783077 is about 490.1860698310.

The spelling of 117783077 in words is "one hundred seventeen million, seven hundred eighty-three thousand, seventy-seven".