77011044628 has 48 divisors (see below), whose sum is σ = 157212832000. Its totient is φ = 32994773280.

The previous prime is 77011044619. The next prime is 77011044653. The reversal of 77011044628 is 82644011077.

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 15 ways as a sum of consecutive naturals, for example, 6193858 + ... + 6206278.

Almost surely, 2^77011044628 is an apocalyptic number.

It is an amenable number.

77011044628 is an abundant number, since it is smaller than the sum of its proper divisors (80201787372).

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

77011044628 is a wasteful number, since it uses less digits than its factorization.

77011044628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965 (or 16949 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 77011044628 in words is "seventy-seven billion, eleven million, forty-four thousand, six hundred twenty-eight".