106977791 has 2 divisors, whose sum is σ = 106977792. Its totient is φ = 106977790.

The previous prime is 106977779. The next prime is 106977799. The reversal of 106977791 is 197779601.

It is a strong prime.

It is an emirp because it is prime and its reverse (197779601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106977791 - 2⁶ = 106977727 is a prime.

It is a super-2 number, since 2×106977791² = 22888495534479362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106977799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53488895 + 53488896.

It is an arithmetic number, because the mean of its divisors is an integer number (53488896).

Almost surely, 2^106977791 is an apocalyptic number.

106977791 is a deficient number, since it is larger than the sum of its proper divisors (1).

106977791 is an equidigital number, since it uses as much as digits as its factorization.

106977791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 106977791 is about 10343.0068645438. The cubic root of 106977791 is about 474.7130913721.

The spelling of 106977791 in words is "one hundred six million, nine hundred seventy-seven thousand, seven hundred ninety-one".