2085732872 has 8 divisors (see below), whose sum is σ = 3910749150. Its totient is φ = 1042866432.

The previous prime is 2085732871. The next prime is 2085732877. The reversal of 2085732872 is 2782375802.

It can be written as a sum of positive squares in only one way, i.e., 1973669476 + 112063396 = 44426^2 + 10586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2085732872² = 8700563226682736768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2085732871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130358297 + ... + 130358312.

Almost surely, 2^2085732872 is an apocalyptic number.

It is an amenable number.

2085732872 is a deficient number, since it is larger than the sum of its proper divisors (1825016278).

2085732872 is a wasteful number, since it uses less digits than its factorization.

2085732872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260716615 (or 260716611 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 2085732872 is about 45669.8245234203. The cubic root of 2085732872 is about 1277.6725429508.

The spelling of 2085732872 in words is "two billion, eighty-five million, seven hundred thirty-two thousand, eight hundred seventy-two".