77089116 has 48 divisors (see below), whose sum is σ = 196911008. Its totient is φ = 23328000.

The previous prime is 77089081. The next prime is 77089139. The reversal of 77089116 is 61198077.

It is a super-2 number, since 2×77089116² = 11885463611322912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5466 + ... + 13566.

Almost surely, 2^77089116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77089116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98455504).

77089116 is an abundant number, since it is smaller than the sum of its proper divisors (119821892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77089116 is a wasteful number, since it uses less digits than its factorization.

77089116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8180 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 77089116 is about 8780.0407743928. The cubic root of 77089116 is about 425.5961479361.

The spelling of 77089116 in words is "seventy-seven million, eighty-nine thousand, one hundred sixteen".