77700012899328 has 132 divisors (see below), whose sum is σ = 232093553607240. Its totient is φ = 25006900617216.

The previous prime is 77700012899303. The next prime is 77700012899339. The reversal of 77700012899328 is 82399821000777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145094650 + ... + 145629177.

Almost surely, 2^{77700012899328} is an apocalyptic number.

It is an amenable number.

77700012899328 is an abundant number, since it is smaller than the sum of its proper divisors (154393540707912).

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

77700012899328 is a wasteful number, since it uses less digits than its factorization.

77700012899328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290723882 (or 290723861 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 77700012899328 in words is "seventy-seven trillion, seven hundred billion, twelve million, eight hundred ninety-nine thousand, three hundred twenty-eight".