106977779 has 2 divisors, whose sum is σ = 106977780. Its totient is φ = 106977778.

The previous prime is 106977769. The next prime is 106977791. The reversal of 106977779 is 977779601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106977779 - 2²⁴ = 90200563 is a prime.

It is a super-2 number, since 2×106977779² = 22888490399545682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106977779.

It is not a weakly prime, because it can be changed into another prime (106977769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53488889 + 53488890.

It is an arithmetic number, because the mean of its divisors is an integer number (53488890).

Almost surely, 2^106977779 is an apocalyptic number.

106977779 is a deficient number, since it is larger than the sum of its proper divisors (1).

106977779 is an equidigital number, since it uses as much as digits as its factorization.

106977779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166886, while the sum is 53.

The square root of 106977779 is about 10343.0062844417. The cubic root of 106977779 is about 474.7130736222.

The spelling of 106977779 in words is "one hundred six million, nine hundred seventy-seven thousand, seven hundred seventy-nine".