794657263680 has 672 divisors, whose sum is σ = 3303279802368. Its totient is φ = 171483955200.

The previous prime is 794657263663. The next prime is 794657263723. The reversal of 794657263680 is 86362756497.

794657263680 is a `hidden beast` number, since 79 + 465 + 7 + 26 + 3 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25607854 + ... + 25638866.

It is an arithmetic number, because the mean of its divisors is an integer number (4915594944).

Almost surely, 2^794657263680 is an apocalyptic number.

794657263680 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 794657263680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651639901184).

794657263680 is an abundant number, since it is smaller than the sum of its proper divisors (2508622538688).

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

794657263680 is a wasteful number, since it uses less digits than its factorization.

794657263680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31115 (or 31102 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 794657263680 in words is "seven hundred ninety-four billion, six hundred fifty-seven million, two hundred sixty-three thousand, six hundred eighty".