116787857 has 2 divisors, whose sum is σ = 116787858. Its totient is φ = 116787856.

The previous prime is 116787823. The next prime is 116787887. The reversal of 116787857 is 758787611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58967041 + 57820816 = 7679^2 + 7604^2 .

It is a cyclic number.

It is not a de Polignac number, because 116787857 - 2⁶ = 116787793 is a prime.

It is not a weakly prime, because it can be changed into another prime (116787817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58393928 + 58393929.

It is an arithmetic number, because the mean of its divisors is an integer number (58393929).

Almost surely, 2^116787857 is an apocalyptic number.

It is an amenable number.

116787857 is a deficient number, since it is larger than the sum of its proper divisors (1).

116787857 is an equidigital number, since it uses as much as digits as its factorization.

116787857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 50.

The square root of 116787857 is about 10806.8430635408. The cubic root of 116787857 is about 488.8015373339.

The spelling of 116787857 in words is "one hundred sixteen million, seven hundred eighty-seven thousand, eight hundred fifty-seven".