77136700 has 36 divisors (see below), whose sum is σ = 169034320. Its totient is φ = 30551040.

The previous prime is 77136679. The next prime is 77136707. The reversal of 77136700 is 763177.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77136707) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6556 + ... + 14044.

Almost surely, 2^77136700 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 77136700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84517160).

77136700 is an abundant number, since it is smaller than the sum of its proper divisors (91897620).

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

77136700 is a wasteful number, since it uses less digits than its factorization.

77136700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 77136700 is about 8782.7501387663. The cubic root of 77136700 is about 425.6836977000.

Adding to 77136700 its reverse (763177), we get a palindrome (77899877).

The spelling of 77136700 in words is "seventy-seven million, one hundred thirty-six thousand, seven hundred".