77033332404 has 288 divisors, whose sum is σ = 237351296000. Its totient is φ = 20577535488.

The previous prime is 77033332391. The next prime is 77033332433. The reversal of 77033332404 is 40423333077.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 188345352 + ... + 188345760.

Almost surely, 2^77033332404 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 77033332404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118675648000).

77033332404 is an abundant number, since it is smaller than the sum of its proper divisors (160317963596).

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

77033332404 is a wasteful number, since it uses less digits than its factorization.

77033332404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 36.

The spelling of 77033332404 in words is "seventy-seven billion, thirty-three million, three hundred thirty-two thousand, four hundred four".