77106908 has 12 divisors (see below), whose sum is σ = 135251760. Its totient is φ = 38463552.

The previous prime is 77106901. The next prime is 77106919. The reversal of 77106908 is 80960177.

It is a happy number.

It is a super-2 number, since 2×77106908² = 11890950522640928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77106901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20528 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (11270980).

Almost surely, 2^77106908 is an apocalyptic number.

It is an amenable number.

77106908 is a deficient number, since it is larger than the sum of its proper divisors (58144852).

77106908 is a wasteful number, since it uses less digits than its factorization.

77106908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44956 (or 44954 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 77106908 is about 8781.0539230778. The cubic root of 77106908 is about 425.6288876387.

The spelling of 77106908 in words is "seventy-seven million, one hundred six thousand, nine hundred eight".