77606676 has 72 divisors (see below), whose sum is σ = 225365504. Its totient is φ = 22057920.

The previous prime is 77606663. The next prime is 77606699. The reversal of 77606676 is 67660677.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55506 + ... + 56886.

Almost surely, 2^77606676 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 77606676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112682752).

77606676 is an abundant number, since it is smaller than the sum of its proper divisors (147758828).

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

77606676 is a wasteful number, since it uses less digits than its factorization.

77606676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 77606676 is about 8809.4651369990. The cubic root of 77606676 is about 426.5464784628.

The spelling of 77606676 in words is "seventy-seven million, six hundred six thousand, six hundred seventy-six".