77800242003212 has 48 divisors (see below), whose sum is σ = 142645922143200. Its totient is φ = 37079855070720.

The previous prime is 77800242003157. The next prime is 77800242003271. The reversal of 77800242003212 is 21230024200877.

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, 971387 + ... + 12511757.

It is an arithmetic number, because the mean of its divisors is an integer number (2971790044650).

Almost surely, 2^{77800242003212} is an apocalyptic number.

It is an amenable number.

77800242003212 is a deficient number, since it is larger than the sum of its proper divisors (64845680139988).

77800242003212 is a wasteful number, since it uses less digits than its factorization.

77800242003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541146 (or 11541144 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 77800242003212 in words is "seventy-seven trillion, eight hundred billion, two hundred forty-two million, three thousand, two hundred twelve".