106977789 has 12 divisors (see below), whose sum is σ = 154733436. Its totient is φ = 71221632.

The previous prime is 106977779. The next prime is 106977791. The reversal of 106977789 is 987779601.

It can be written as a sum of positive squares in 2 ways, for example, as 66145689 + 40832100 = 8133^2 + 6390^2 .

It is not a de Polignac number, because 106977789 - 2¹¹ = 106975741 is a prime.

It is a super-2 number, since 2×106977789² = 22888494678657042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106977769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732 + ... + 14645.

It is an arithmetic number, because the mean of its divisors is an integer number (12894453).

Almost surely, 2^106977789 is an apocalyptic number.

It is an amenable number.

106977789 is a deficient number, since it is larger than the sum of its proper divisors (47755647).

106977789 is a wasteful number, since it uses less digits than its factorization.

106977789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16156 (or 16153 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 106977789 is about 10343.0067678601. The cubic root of 106977789 is about 474.7130884138.

The spelling of 106977789 in words is "one hundred six million, nine hundred seventy-seven thousand, seven hundred eighty-nine".