77904853255600 has 360 divisors, whose sum is σ = 230566200274080. Its totient is φ = 25135260917760.

The previous prime is 77904853255571. The next prime is 77904853255613. The reversal of 77904853255600 is 655235840977.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2961135246 + ... + 2961161554.

It is an arithmetic number, because the mean of its divisors is an integer number (640461667428).

Almost surely, 2^{77904853255600} is an apocalyptic number.

77904853255600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77904853255600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115283100137040).

77904853255600 is an abundant number, since it is smaller than the sum of its proper divisors (152661347018480).

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

77904853255600 is a wasteful number, since it uses less digits than its factorization.

77904853255600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35245 (or 35227 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 77904853255600 in words is "seventy-seven trillion, nine hundred four billion, eight hundred fifty-three million, two hundred fifty-five thousand, six hundred".