77675436 has 72 divisors (see below), whose sum is σ = 205317840. Its totient is φ = 25676352.

The previous prime is 77675419. The next prime is 77675441. The reversal of 77675436 is 63457677.

It is a junction number, because it is equal to n+sod(n) for n = 77675391 and 77675400.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 152350 + ... + 152858.

Almost surely, 2^77675436 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 77675436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102658920).

77675436 is an abundant number, since it is smaller than the sum of its proper divisors (127642404).

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

77675436 is a wasteful number, since it uses less digits than its factorization.

77675436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 671 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 77675436 is about 8813.3668935317. The cubic root of 77675436 is about 426.6724155584.

It can be divided in two parts, 7767 and 5436, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 77675436 in words is "seventy-seven million, six hundred seventy-five thousand, four hundred thirty-six".