106386779 has 2 divisors, whose sum is σ = 106386780. Its totient is φ = 106386778.

The previous prime is 106386739. The next prime is 106386781. The reversal of 106386779 is 977683601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106386779 - 2²⁴ = 89609563 is a prime.

It is a super-2 number, since 2×106386779² = 22636293491989682, which contains 22 as substring.

Together with 106386781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106386739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53193389 + 53193390.

It is an arithmetic number, because the mean of its divisors is an integer number (53193390).

Almost surely, 2^106386779 is an apocalyptic number.

106386779 is a deficient number, since it is larger than the sum of its proper divisors (1).

106386779 is an equidigital number, since it uses as much as digits as its factorization.

106386779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 106386779 is about 10314.3966861858. The cubic root of 106386779 is about 473.8372728575.

The spelling of 106386779 in words is "one hundred six million, three hundred eighty-six thousand, seven hundred seventy-nine".