770448127680 has 1120 divisors, whose sum is σ = 3465638618112. Its totient is φ = 157809254400.

The previous prime is 770448127667. The next prime is 770448127699. The reversal of 770448127680 is 86721844077.

770448127680 is a `hidden beast` number, since 7 + 70 + 448 + 127 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 141701922 + ... + 141707358.

Almost surely, 2^770448127680 is an apocalyptic number.

770448127680 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 770448127680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732819309056).

770448127680 is an abundant number, since it is smaller than the sum of its proper divisors (2695190490432).

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

770448127680 is a wasteful number, since it uses less digits than its factorization.

770448127680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 770448127680 in words is "seven hundred seventy billion, four hundred forty-eight million, one hundred twenty-seven thousand, six hundred eighty".