770921063918880 has 1152 divisors, whose sum is σ = 3011898268673280. Its totient is φ = 164949618032640.

The previous prime is 770921063918821. The next prime is 770921063918893. The reversal of 770921063918880 is 88819360129077.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7142005710 + ... + 7142113650.

It is an arithmetic number, because the mean of its divisors is an integer number (2614495024890).

Almost surely, 2^{770921063918880} is an apocalyptic number.

770921063918880 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 770921063918880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505949134336640).

770921063918880 is an abundant number, since it is smaller than the sum of its proper divisors (2240977204754400).

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

770921063918880 is a wasteful number, since it uses less digits than its factorization.

770921063918880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108322 (or 108307 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 69.

The spelling of 770921063918880 in words is "seven hundred seventy trillion, nine hundred twenty-one billion, sixty-three million, nine hundred eighteen thousand, eight hundred eighty".