2097773856 has 96 divisors (see below), whose sum is σ = 6267844800. Its totient is φ = 682191360.

The previous prime is 2097773759. The next prime is 2097773861. The reversal of 2097773856 is 6583777902.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 5815 + ... + 65033.

It is an arithmetic number, because the mean of its divisors is an integer number (65290050).

Almost surely, 2^2097773856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097773856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3133922400).

2097773856 is an abundant number, since it is smaller than the sum of its proper divisors (4170070944).

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

2097773856 is a wasteful number, since it uses less digits than its factorization.

2097773856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59279 (or 59265 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The square root of 2097773856 is about 45801.4612867319. The cubic root of 2097773856 is about 1280.1265044240.

The spelling of 2097773856 in words is "two billion, ninety-seven million, seven hundred seventy-three thousand, eight hundred fifty-six".