77611106 has 4 divisors (see below), whose sum is σ = 116416662. Its totient is φ = 38805552.

The previous prime is 77611091. The next prime is 77611109. The reversal of 77611106 is 60111677.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60111677 = 17 ⋅3535981.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 259081 = 8795^2 + 509^2 .

It is not an unprimeable number, because it can be changed into a prime (77611109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19402775 + ... + 19402778.

Almost surely, 2^77611106 is an apocalyptic number.

77611106 is a deficient number, since it is larger than the sum of its proper divisors (38805556).

77611106 is a wasteful number, since it uses less digits than its factorization.

77611106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38805555.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 77611106 is about 8809.7165675179. The cubic root of 77611106 is about 426.5545944525.

The spelling of 77611106 in words is "seventy-seven million, six hundred eleven thousand, one hundred six".